Which of the following may amaze the scientists most? .
A.How high the ants can leap by using their jaws.
B.How quickly the trap-jaw ants can move on the ground.
C.How wonderfully the springy system in the trap-jaw ants" jaws works.
D.How quickly the trap-jaw ants can grab food or enemies.
第1题
The passage uses "a bow and arrow" as an example to show______.
A.how an arrow gets so much energy to fly
B.why the trap-jaw ants have springy system
C.why the trap-jaw ants" jaws move so fast
D.how a bow and arrow works
请帮忙给出正确答案和分析,谢谢!
第2题
David offered us a lift when he was leaving the office, but our work ______, we declined the offer.
A.not being finished
B.not having finished
C.had not been finished
D.was not finished
请帮忙给出正确答案和分析,谢谢!
第3题
Although______to say this, I must still cancel my dinner appointment with you this evening.
A.embarrass
B.to be embarrassed
C.embarrassing
D.embarrassed
请帮忙给出正确答案和分析,谢谢!
第4题
______to comment on the report on Monday, Liu Jianchao said this report was a total rumor.
A.When asking
B.When asked
C.When he asked
D.When is asked
请帮忙给出正确答案和分析,谢谢!
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