I was unaware of the critical points involved, so my choice was quite（ ） .

A.arbitrary B.rational C.mechanical D.unpredictable

These changes have not been sufficient to（ ）the losses.

A.stem B.stimulate C.cause D.compensate

The spontaneity of children’ s artwork sets it apart from the regulated uniformity of much of what otherwise go on in traditional elementary classrooms.

A.sets B.apart from C.much of D.go on

Because of the economic slowdown, the government changed its policy to （ ）revenue by limiting commerce.

A.disregard B.challenge C.diminish D.reject

Directions: For this part, you are allowed 50 minutes to write a composition of no less than 300 words under the title of “Advantages and Disadvantages of Doing Research Online.” Your composition should be based on the following outline:

1) Present situation about doing research online;2) Advantages for online research;3) Disadvantages for online research.

I can respect someone who is（ ）for their actions, but I cannot respect someone who is always pointing the finger.

A.millennium B.dominant C.accountable D.commercial