The American traffic systems

We can infer from Paragraph 2 that facing the tough task the researchers of WHO ______.

A．flinch from their work.

B．hesitate and feel perplexed.

C．carry on their research.

D．abandon their research.

it can be learned from Para. 4 that______.

A．Straitford"s prediction about Ukraine has proved true

B．Straitford guarantees the truthfulness of its information

C．Straitford"s business is characterized by unpredictability

D．Straitford is able to provide fairly reliable information

The phrase "making the biggest splash" (Line 1 ~2, Para. 3) most probably means

A．causing the biggest trouble

B．exerting the greatest effort

C．achieving the greatest success

D．enjoying the widest popularity

Theres no comparison between them, one______clearly much better than the other.

A．being

B．was

C．be

D．having been

The driver carefully checked his car______it should go wrong on the way.

A．lest

B．or else

C．so that

D．in order that

The sun heats the earth, ______is very important to living things.

A．that

B．what

C．which

D．as

I object______as he is still too young.

A．my son to smoke

B．my son smoking

C．to my son to smoke

D．to my son"s smoking

"prima donna"(Line 4, Para 6)is most likely to refer to a person who is______.

A．bright

B．arrogant

C．hateful

D．dull