单项选择题

It is significant that chimpanzees make tools, but it is more important that ______.

[A] they never make tools before they need them
[B] they can make up simple equations
[C] they stack items to make platforms
[D] the tools are crude

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单项选择题

According to the radio program, which one of the following four sentences is wrong

[A] Stanford University lies in California.

B. Stanford accepted less than eleven percent of the students who applied.

C. Stanford has accepted an unusually low percentage of students for admission this fall.

D. Stanford has accepted a lower percentage of students for admission, but not the lowest.

单项选择题

What did the speaker ask the students to do the week before

[A] Write a short story.
B. Prepare for the lesson.
C. Learn more about the writer.
D. Help their mother.

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