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问题 补全对话，情景问答

情景交际。

1. 当你的同学指着一把椅子问你：“What's this?”时，你应回答：[ ]

A. It's a desk.

B. It's a chair.

2. 当别人向你问好，对你说：“How are you?”时，你应说：[ ]

A. Fine, thank you.

B. Thanks.

3. 早晨有人对你说：“Hello!”时，你应回答：[ ]

A. Hi!

B. I'm fine.

答案

1. B  2. A  3. A

单项选择题

克隆病的腹痛特点是（）。

A．右上腹疼痛伴黄疸、发热

B．右下腹或脐周疼痛，多于餐后发生

C．左上腹或下腹疼痛，便后可暂时缓解

D．中上腹疼痛，弯腰抱膝可使疼痛减轻

E．上腹疼痛，伴包块、黑便
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单项选择题

Seven countries signed a treaty binding each of them to perform specified actions on a certain fixed date, with the actions of each conditional on simultaneous action taken by the other countries. Each country was also to notify the six other countries when it had completed its action.
The simultaneous-action provision of the treaty leaves open the possibility that

A．the compliance date was subject to postponement, according to the terms of the treaty.

B．one of the countries might not be required to make any changes or take any steps in order to comply with the treaty, whereas all the other countries are so required.

C．each country might have a well-founded excuse, based on the provision, for its own lack of compliance.

D．the treaty specified that the signal for one of the countries to initiate action was notification by the other countries that they had completed action.

E．(E) there was ambiguity with respect to the date after which all actions contemplated in the treaty are to be complete.
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