26(2分)、0

Wouldn’t it be wise to _____ the possibility of rain before planning the garden party?

A、check in

B、check through

C、check out

D、check on

参考答案：C

27(2分)、2

he one pleasure that Einstein ____ his great fame was the ability it gave him to help others.

A、resulted from

B、stirred up

C、turned out

D、derived from

参考答案：D

28(2分)、2

If the doctor had been available,the child ____________.

A、would not die

B、could not have died

C、might not die

D、should not have died

参考答案：B

29(2分)、2

It was well known that Thomas Edison _____ the electric lamp.

A、discovered

B、invented

C、found

D、developed

参考答案：B

30(2分)、0

What ___the population of the USA?

A、is

B、are

C、have

D、has

参考答案：C