【练习10-4】文法G[S]： S→（T) | a+S | a T→T , S | S 试消除左递归。

对于文法G(S)：

S→S+aT|aT|+aT

T→*aT|*a

对于句型aT+a*a*a，(28)是该句型的直接短语，(29)是该句型的句柄。

A．aT

B．+a

C．a*a*a

D．aT+a*a*a

体内ATP与GTP的生成交叉调节，以维持二者的平衡。这种调节是由于：IMP→AMP需要GTP;而IMP→GMP需要ATP。()

已知(a)ADP+Pi→ATP+H2O的△G0=+7．3 kcal.mol-1： (b)PEP+H2O→丙酮酸+Pi的△G0= 一14．8 kcal.mol-1。 判断这两个反应能否自发进行?如果这两个反应耦联起来能自发进行吗?

【T10】

A.DEFENDING

B.UP

C.COPE A.KEEP LIVING【T7】______TO THAT IMAGE

B.IF YOU CAN【T8】______WITH THREE DAYS RUNNING

C.WAYS OF【T9】______AN IDEA WHAT YOU DESCRIBE IS A HABIT OF LYING THAT IS MORE SERIOUS THAN THIS.I SUSPECT THAT THELIES YOU TELL ARE【T10】______YOU HAVE OF YOUR OWN WORT

H.PEOPLE WHO HAVE DOUBTS ABOUTTHEIR OWN SELF-ESTEEM OFTEN WORRY THAT OTHERS WILL JUDGE THEM AS HARSHLY AS THEY FEEL THEY DESERVE BECAUSE OF A SECRET IDEA THAT THEY ARE PRETTY WORTHLESS.IN OTHER WORDS, THEY CREATE A FALSE PICTURE OF THEMSELVES, A PICTURE OF SOMEONE WHO MEETS ALL THE EXPECTATIONS THEY THINK OTHERS HAVE OF THEM, AND AS YOU SAY, THAT CAUSES PROBLEMS—SINCE THEY HAVE TO【T11】______.AT THE SAME TIME, THEY HAVE TO TELL FURTHER LIE TO COVER THE STORIES THEY HAVE ALREADY TOL

D.ACCORDING TO SOME AUTHORITIES, THIS IS PARTICULARLY AMONG WOMEN ESPECIALLY THOSE WHO HAVE FEW OPPORTUNITIES TO DEVELOP AN ADEQUATE SENSE OF SELF-WORT

H. I SUGGEST YOU GIVE YOURSELF ONE DAY DURING WHICH YOU STICK SOLIDLY TO THE TRUTH ABOUT YOURSEL

F.GIVE YOURSELF A SMALL TREAT AT THE END OF THE DAY IF YOU HAVE MANAGED TO KEEP IT UP.WAIT A WEEK AND THEN TRY IT AGAI

N.ONCE YOU HAVE ACHIEVED THREE SEPARATE LIE-FREE DAYS,SEE【T12】______, THEN EXTEND IT TO A WHOLE WEE

K.DON"T MAKE A PROMISE TO YOURSELF THATYOU WILL NEVER LIE AGAIN BECAUSE ALMOST CERTAINLY YOU WILL—IT"S TOO MUCH TO TAKE ON AT ONC

E.TRY TO CHANGE THINGS LITTLE BY LITTLE, BY SETTING YOURSELF MANAGEABLE TARGETS.AFTER A WHILE, YOU"LL WONDER WHY YOU EVER HAD THE PROBLEM AT ALL.

Earthquakes

【S1】At two minutes to noon in September 1 of 1923, the great clock in Tgkyo stopped.【S2】 Tokyo Bay shook as if huge rug had been pulled from under it. 【S3】Towered above the bay, the 4,000 meter Mount Full stood above a deep trench in the sea. 【S4】It was from this trench where the earthquake came, at a magnitude of 8.3 on the Richter scale.

Huge waves swept over the city. 【S5】Boats were driven inland, and buildings and people were dragged out sea. 【S6】The tremors dislodged part of a hillside, which gave way, brushing trains, stations and bodies the water below. 【S7】Three massive shocks wrecked the of Tokyo and Yokohama and, during the next six hours, there were more than 100 aftershocks.

The casualties were enormous, but there were also some lucky survivors. 【S8】The most remarkably was a woman who was having a bath in her room at the Tokyo Grand Hotel. 【S9】 As for the hotel collapsed, she and her bath gracefully descended to the street.【S10】leave both her and the bath water intact.

【S1】

【T12】

A.DEFENDING

B.UP

C.COPE A.KEEP LIVING【T7】______TO THAT IMAGE

B.IF YOU CAN【T8】______WITH THREE DAYS RUNNING

C.WAYS OF【T9】______AN IDEA WHAT YOU DESCRIBE IS A HABIT OF LYING THAT IS MORE SERIOUS THAN THIS.I SUSPECT THAT THELIES YOU TELL ARE【T10】______YOU HAVE OF YOUR OWN WORT

H.PEOPLE WHO HAVE DOUBTS ABOUTTHEIR OWN SELF-ESTEEM OFTEN WORRY THAT OTHERS WILL JUDGE THEM AS HARSHLY AS THEY FEEL THEY DESERVE BECAUSE OF A SECRET IDEA THAT THEY ARE PRETTY WORTHLESS.IN OTHER WORDS, THEY CREATE A FALSE PICTURE OF THEMSELVES, A PICTURE OF SOMEONE WHO MEETS ALL THE EXPECTATIONS THEY THINK OTHERS HAVE OF THEM, AND AS YOU SAY, THAT CAUSES PROBLEMS—SINCE THEY HAVE TO【T11】______.AT THE SAME TIME, THEY HAVE TO TELL FURTHER LIE TO COVER THE STORIES THEY HAVE ALREADY TOL

D.ACCORDING TO SOME AUTHORITIES, THIS IS PARTICULARLY AMONG WOMEN ESPECIALLY THOSE WHO HAVE FEW OPPORTUNITIES TO DEVELOP AN ADEQUATE SENSE OF SELF-WORT

H. I SUGGEST YOU GIVE YOURSELF ONE DAY DURING WHICH YOU STICK SOLIDLY TO THE TRUTH ABOUT YOURSEL

F.GIVE YOURSELF A SMALL TREAT AT THE END OF THE DAY IF YOU HAVE MANAGED TO KEEP IT UP.WAIT A WEEK AND THEN TRY IT AGAI

N.ONCE YOU HAVE ACHIEVED THREE SEPARATE LIE-FREE DAYS,SEE【T12】______, THEN EXTEND IT TO A WHOLE WEE

K.DON"T MAKE A PROMISE TO YOURSELF THATYOU WILL NEVER LIE AGAIN BECAUSE ALMOST CERTAINLY YOU WILL—IT"S TOO MUCH TO TAKE ON AT ONC

E.TRY TO CHANGE THINGS LITTLE BY LITTLE, BY SETTING YOURSELF MANAGEABLE TARGETS.AFTER A WHILE, YOU"LL WONDER WHY YOU EVER HAD THE PROBLEM AT ALL.

【T11】

A.DEFENDING

B.UP

C.COPE A.KEEP LIVING【T7】______TO THAT IMAGE

B.IF YOU CAN【T8】______WITH THREE DAYS RUNNING

C.WAYS OF【T9】______AN IDEA WHAT YOU DESCRIBE IS A HABIT OF LYING THAT IS MORE SERIOUS THAN THIS.I SUSPECT THAT THELIES YOU TELL ARE【T10】______YOU HAVE OF YOUR OWN WORT

H.PEOPLE WHO HAVE DOUBTS ABOUTTHEIR OWN SELF-ESTEEM OFTEN WORRY THAT OTHERS WILL JUDGE THEM AS HARSHLY AS THEY FEEL THEY DESERVE BECAUSE OF A SECRET IDEA THAT THEY ARE PRETTY WORTHLESS.IN OTHER WORDS, THEY CREATE A FALSE PICTURE OF THEMSELVES, A PICTURE OF SOMEONE WHO MEETS ALL THE EXPECTATIONS THEY THINK OTHERS HAVE OF THEM, AND AS YOU SAY, THAT CAUSES PROBLEMS—SINCE THEY HAVE TO【T11】______.AT THE SAME TIME, THEY HAVE TO TELL FURTHER LIE TO COVER THE STORIES THEY HAVE ALREADY TOL

D.ACCORDING TO SOME AUTHORITIES, THIS IS PARTICULARLY AMONG WOMEN ESPECIALLY THOSE WHO HAVE FEW OPPORTUNITIES TO DEVELOP AN ADEQUATE SENSE OF SELF-WORT

H. I SUGGEST YOU GIVE YOURSELF ONE DAY DURING WHICH YOU STICK SOLIDLY TO THE TRUTH ABOUT YOURSEL

F.GIVE YOURSELF A SMALL TREAT AT THE END OF THE DAY IF YOU HAVE MANAGED TO KEEP IT UP.WAIT A WEEK AND THEN TRY IT AGAI

N.ONCE YOU HAVE ACHIEVED THREE SEPARATE LIE-FREE DAYS,SEE【T12】______, THEN EXTEND IT TO A WHOLE WEE

K.DON"T MAKE A PROMISE TO YOURSELF THATYOU WILL NEVER LIE AGAIN BECAUSE ALMOST CERTAINLY YOU WILL—IT"S TOO MUCH TO TAKE ON AT ONC

E.TRY TO CHANGE THINGS LITTLE BY LITTLE, BY SETTING YOURSELF MANAGEABLE TARGETS.AFTER A WHILE, YOU"LL WONDER WHY YOU EVER HAD THE PROBLEM AT ALL.

【T9】

A.DEFENDING

B.UP

C.COPE A.KEEP LIVING【T7】______TO THAT IMAGE

B.IF YOU CAN【T8】______WITH THREE DAYS RUNNING

C.WAYS OF【T9】______AN IDEA WHAT YOU DESCRIBE IS A HABIT OF LYING THAT IS MORE SERIOUS THAN THIS.I SUSPECT THAT THELIES YOU TELL ARE【T10】______YOU HAVE OF YOUR OWN WORT

H.PEOPLE WHO HAVE DOUBTS ABOUTTHEIR OWN SELF-ESTEEM OFTEN WORRY THAT OTHERS WILL JUDGE THEM AS HARSHLY AS THEY FEEL THEY DESERVE BECAUSE OF A SECRET IDEA THAT THEY ARE PRETTY WORTHLESS.IN OTHER WORDS, THEY CREATE A FALSE PICTURE OF THEMSELVES, A PICTURE OF SOMEONE WHO MEETS ALL THE EXPECTATIONS THEY THINK OTHERS HAVE OF THEM, AND AS YOU SAY, THAT CAUSES PROBLEMS—SINCE THEY HAVE TO【T11】______.AT THE SAME TIME, THEY HAVE TO TELL FURTHER LIE TO COVER THE STORIES THEY HAVE ALREADY TOL

D.ACCORDING TO SOME AUTHORITIES, THIS IS PARTICULARLY AMONG WOMEN ESPECIALLY THOSE WHO HAVE FEW OPPORTUNITIES TO DEVELOP AN ADEQUATE SENSE OF SELF-WORT

H. I SUGGEST YOU GIVE YOURSELF ONE DAY DURING WHICH YOU STICK SOLIDLY TO THE TRUTH ABOUT YOURSEL

F.GIVE YOURSELF A SMALL TREAT AT THE END OF THE DAY IF YOU HAVE MANAGED TO KEEP IT UP.WAIT A WEEK AND THEN TRY IT AGAI

N.ONCE YOU HAVE ACHIEVED THREE SEPARATE LIE-FREE DAYS,SEE【T12】______, THEN EXTEND IT TO A WHOLE WEE

K.DON"T MAKE A PROMISE TO YOURSELF THATYOU WILL NEVER LIE AGAIN BECAUSE ALMOST CERTAINLY YOU WILL—IT"S TOO MUCH TO TAKE ON AT ONC

E.TRY TO CHANGE THINGS LITTLE BY LITTLE, BY SETTING YOURSELF MANAGEABLE TARGETS.AFTER A WHILE, YOU"LL WONDER WHY YOU EVER HAD THE PROBLEM AT ALL.

GATT争端解决机制由___组成

A、《GATT1947》第22条

B、《GATT1947》23条

C、《GATT1947》其他实质性条款中规定的辅助程序

D、东京回合达成的非关税壁垒协议中规定的特别程序