單項選擇題Since many insects have already become()to DDT, scientists have to look for some new insecticide

A.active
B.resistant
C.tough
D.gradual


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2.單項選擇題He()the medicine quickly and then drank some orange juice.

A.sucked
B.swallowed
C.licked
D.digested

3.單項選擇題While studying he was financially dependent ()his wife.

A.to
B.of
C.on
D.from

4.單項選擇題The water was so()that we could see the fish inside clearly.

A.transparent
B.obvious
C.apparent
D.visible

6.單項選擇題The medicine the doctor gave me()my headache.

A.reduced
B.improved
C.released
D.relieved

7.單項選擇題Many people save money to()for their old age.

A.supply
B.offer
C.provide
D.yield

8.單項選擇題Being named the best athlete of the year was an important()in the baseball player’s life.

A.segment
B.ingredient
C.contribution
D.episode

9.單項選擇題The swimming pool is so()that it's safe for small children.

A.stable
B.smooth
C.superficial
D.shallow