A、 Bad food.
B、 Fat food.
C、 Cold food.
D、 Spicy food.

【正确答案】 D

【答案解析】解析：由女士的回答可知她有点消化不良，但只是在她吃类似于咖喱类的辛辣食物后才会发作。hot food与spicy food是同义词替换，意思均为辛辣的食物，故选D。

A、 He's afraid to try some of the exercises himself.
B、 The physics class is only halfway over.
C、 The students aren't in good physical condition.
D、 He doesn't believe anything people say.

【正确答案】 C

【答案解析】解析：对话中女士提到的全班学生半数完不成所有的锻炼项目，由查理的回答可知这可能反映了我们的身体健康状况，故选C。

A、 A mystery story.
B、 The hiring of a shop assistant.
C、 The search for a reliable witness.
D、 An unsolved case of robbery.

【正确答案】 D

【答案解析】解析：由女士的话可知她在询问那天晚上发生抢劫的时候，有人看到男士在那家被抢的商店附近出现过的事，由男士的回答可知他拒绝承认，故可推断他们的对话是关于一起抢劫案，故选D。

A、 Exercise less frequently.
B、 Take less medicine each day.
C、 Visit him as soon as possible.
D、 Take a new kind of headache medicine.

【正确答案】 B

【答案解析】解析：由男士的回答可知，男士(医生)得知女士服药后有头疼的副作用后，建议减少药剂使用量，故选B。

A、 He went to see the dentist a week ago.
B、 The woman should cancel her appointment with the dentist.
C、 The woman's toothache will go away by itself.
D、 The woman should have seen the dentist by now.

【正确答案】 D

【答案解析】解析：由对话可知女士说自己牙疼，问男士的牙医是谁，不难推断出女士是想去看牙，由男士的回答可知男士上周就让女士去看医生了，故选D。