题目内容
（请给出正确答案）
A.从天然矿物、动植物中提取的有效成分，以及经过化学或生物合成而制得的药物，统称为化学药物。
B.化学药物是取自天然矿物、动植物中的有效成分，这些成分可以通过化学或生物合成而制得。
C.化学药物是从天然矿物、动植物中分离出的有效成分经化学或生物合成后而制得的药物。
D.化学药物是从天然矿物、动植物中分离出的有效成分经化学或生物处理后而制得的药物。
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更多“Effective ingredients extracte…”相关的问题
第1题
A．there was no chance the specimen would be contaminated
B．different research purposes would be fulfilled
C．the tissues would be studied by different scientific groups
D．some of the tissues would be contamination during the process of research
第2题
A．there was no chance the specimen would be contaminated
B．different research purposes would be fulfilled
C．the tissues would be studied by different scientific groups
D．some of the tissues would be contamination during the process of research
第3题
A．acknowledged
B．identified
C．recognized
D．acquainted
第4题
John Kerry has served in the Senate for twenty years. But many commentators said his acceptance speech in Boston was his most important speech ever. Political observers say the presidential race appears extremely close. John Kerry said his goal this week was to show voters that he could do better than President Bush.
Others who spoke at the Democratic convention included former presidents Jimmy Carter and Bill Clinton. And they included A1 Gore, the former vice president who lost to Mister Bush in the disputed election of two-thousand.
Which one of the following is not mentioned by Kerry?
A．Iraq war.
B．Economy.
C．Health care.
D．Gay marriage.
第5题
There follows extracts from the financial statements of BET for the year to 31 March 20x5 (all figures are in $000) Extract from the statement of profit or loss $000 Profit on ordinary activities before taxation 1,600 Income taxes – current year 460 Income taxes – over provision in 20x4 (10) 1,150 Extract from the statement of financial position as at 31 March 20x5 20x4 Current liabilities - taxation 560 460 What is the amount of income tax that would appear on the cash flow statement for year ending 20x5?
A、$350,000
B、$320,000
C、$330,000
D、$410,000
第6题
American Blacks experienced a revolution after 1945， a revolution in expectations.Following World War Ⅱ， the steady movement toward first-class citizenship for Black people quickened， with significant actions taking place in courts of law， in voting booths， in restaurants and in the streets of the nation.
A decade of intense civil rights activity was launched in 1954 when the United States Supreme Court declared segregated schools to be unconstitutional.In 1955， Dr.Martin Luther King， Jr.，effectively organized the Blacks of Atlanta， Georgia， in a bus boycott. The boycott lasted two years，and when it was over， Blacks no longer were degraded by being forced to sit or stand in the rear of buses.
In 1960， a group of Black college students decided that they， as well as white persons， had the right to eat at a lunch counter in Greensboro， North Carolina.This sit-in sparked an aggressive national movement and， in the next few years， thousands of young men and women——Black and White，North and South——overturned local laws and customs that had maintained segregation. Sit-ins， pray-ins， freedom rides， freedom marches and demonstrations to open all schools to Black children took place across the nation.
Several important actions took place to change the status of black people__________. 查看材料
A.after World War II
B.in 1954
C.before 1945
D.in 1960
第7题
第8题
A．It's easy to prepare.
B．It's tasty and healthful.
C．It's exotic in appearance.
D．It's safe to eat.
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