單項選擇題The noise was so faint that you had to（）your ears to hear it.

A.stir
B.strengthen
C.strain
D.stride


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1.單項選擇題The manufacturers refused to take all（）for damage caused by misuse.

A.duty
B.responsibility
C.obligation
D.share

2.單項選擇題If you（）bright sunlight（）dry wood with a glass, it will start burning.

A.expose；to
B.concentrate；on
C.aim；at
D.focus；on

3.單項選擇題When he was a young boy, a serious disease deprived him of the（）of hearing.

A.organ
B.possession
C.conduct
D.faculty

4.單項選擇題Stamping on any country's national flag is an（）to its people.

A.inflation
B.ingredient
C.insult
D.invasion

5.單項選擇題I am afraid that you have to alter your（）views in light of the tragic news that has just arrived.

A.indifferent
B.distressing
C.optimistic
D.pessimistic