A.they had been weakened psychologically by the saccharin
B.the sweetener was poisonous to them
C.their immune systems had been altered by the mind
D.they had taken too much sweetener during earlier conditioning
单选题 | By signing the lease we made a ________ to pay a rent of $ 150 a week. | 查看答案 |
单选题 | Frankly speaking, your article is very good except for some ________ mistakes in grammar. | 查看答案 |
单选题 | The main task now facing ecologists, environmental activists and conservationists is ________. | 查看答案 |
单选题 | Although there are occasional outbreaks of gunfire, we can report that the rebellion has in the main been ________. | 查看答案 |
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单选题 | According to the passage, the experience of helplessness causes rats to ________. | 查看答案 |
单选题 | Although he has had no formal education, he is one of the ________ businessmen in the company. | 查看答案 |
单选题 | The terrorists might have planted a bomb on a plane in Athens, set to ________ when it arrived in New York. | 查看答案 |
单选题 | If you want to set up a company, you must ________ with the regulations laid down by the authorities. | 查看答案 |
单选题 | The author’s attitude towards Larry Myers’ works is ________. | 查看答案 |
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单选题 | The word “tunnel-visioned (Line 2, Para. 4) most probably means “________”. | 查看答案 |
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单选题 | Which of the following is within the capacity of the artificial nose being developed? | 查看答案 |
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单选题 | Stop shouting! I can’t hear the football ________. | 查看答案 |
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