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ng invited
D：d. will not be invited
a paper in Science argues that organic chemicals in
the rock come mostly from____ on earth rather than bacteria
on Mars.
A：configuration
B：constitution
C：condemnation
D：contamination
have no choice then but____the work.
A：a. finished
B：b. to finish
C：c. finish
D：d. finishing
are always ready to____our motherland from any foreign
aggression.
A：defend
B：protect
C：guard
D：shield
who do not go out to work often feel theyare
not working to their full____
A：capacity
B：strength
C：length
D：possibility
in the desert involves a lot of problems, ____
water shortage is the worst.
A：a. not to mention
B：b. of which
C：c. let alone
D：d. for what
been nervous because he didn’t go straight
in.
A：ought to
B：must
C：should
D：had to
speech rambled for half an hour, but the____ of what
he had said was that too many people has too little money.
A：aim
B：purpose
C：essence
D：content
wife____an old dictionary last night.
A：came on
B：came off
C：came out
D：came up
is so clever that I feel rather at a (an)____talking
to her.
A：advantage
B：disadvantage
C：mistake
D：error
was____that we felt tired when we arrived.
A：a so long travel
B：such a long travel
C：such a long journey
D：such a so long journey
help students understand how we see, teachers often
draw a(n)____between an eye and a camera.
A：contrast
B：analogy
C：image
D：substitute
wish to go home with you,____?
A：may I
B：shall I
C：would I
D：can I
need some sunshine; so we have____ up our minds to go
abroad this year.
A：set
B：made
C：brought
D：given
theme of the novel is that a person’s fate____that
of the whole cou