the police will need to keep a (wary) eye on this area of to-最需题库

1rumors began to (circulate) about his financial problems.
A.send
B.spread
C.hear
D.confirm
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2the proposal was (endorsed) the majority of members.
A.rejected
B.submitted
C.considered
D.approved
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3many experts remain (skeptical) about his claims.
A.doubtful
B.untouched
C.certain
D.silent
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4the tower remains (intact) ever after two hundred years.
A.unknown
B.unusual
C.undamaged
D.unstable
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5they didn’t seem to appreciate the (magnitude) of the problem.
A.existence
B.importance
C.cause
D.situation
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6mit researchers carry out the study to illustrate an ancient chinese proverb.
A.right
B.wrong
C.not mentioned
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7silk’s strength comes from its weak hydrogen bonds working together.
A.right
B.wrong
C.not mentioned
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8biologist and engineer are interested in understanding natural silks because they are very light and brittle.
A.right
B.wrong
C.not mentioned
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9if the hydrogen bonds break due to external forces, they break fast.
A.right
B.wrong
C.not mentioned
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10the mit team had tried different materials before they studied natural silk in their research.
A.right
B.wrong
C.not mentioned
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the police will need to keep a (wary) eye on this area of town.