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问题 多项选择题

聚合物改性沥青防水卷材是以合成高分子聚合物改性沥青为涂盖层，纤维织物或纤维毡为胎体，粉状、粒状、片状或薄膜材料为覆面材料制成的可卷曲片状防水材料。它克服了传统沥青防水卷材温度稳定性差，延伸率的不足，具有高温不流淌，低温不脆裂，拉伸强度高，延伸率较大等优异性能，且价格适中，常见的有( )。

A．SBS改性沥青防水卷材

B．PVS改性沥青防水卷材

C．APP改性沥青防水卷材

D．SBA改性沥青防水卷材

E．PVC改性焦油沥青防水卷材

答案

参考答案：A,C,D

单项选择题

For the people who have never traveled across the Atlantic the voyage is a fantasy. But for the people who cross it frequently one crossing of the Atlantic is very much like another, and they do not make the voyage for the (56) of its interest. Most of us are quite happy when we feel (57) to go to bed and pleased when the journey (58) . On the first night this time I felt especially lazy and went to bed (59) earlier than usual. When I (60) my cabin, I was surprised (61) that I was to have a companion during my trip, which made me feel a little unhappy. I had expected (62) but there was a suitcase (63) mine in the opposite corner. I wondered who he could be and what he would be like. Soon afterwards he came in. He was the sort of man you might meet (64) , except that he was wearing (65) good clothes that I made up my mind that we would not (66) whoever he was and did not say (67) . As I had expected, he did not talk to me either but went to bed immediately.
I suppose I slept for several hours because when I woke up it was already the middle of the night. I felt cold but covered (68) as well as I could and tried to go back to sleep. Then I realized that a (69) was coming from the window opposite. I thought perhaps I had forgotten (70) the door, so I got up (71) the door but found it already locked from the inside. The cold air was coming from the window opposite. I crossed the room and (72) the moon shone through it on to the other bed. (73) there. It took me a minute or two to (74) the door myself. I realized that my companion (75) through the window into the sea.

A. being lonely B. to be lonely C. being alone D. to be alone
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多项选择题

假设某国某年年末外债余额1600亿美元，当年还本付息总额为200亿美元，当年国民生产总值1万亿美元，当年商品劳务出口总额为2100亿美元。
请根据以上资料回答下列问题：

关于该国外债情况的说法，正确的是( )。

A．该国负债率在警戒线以内

B．该国债务率在警戒线以内

C．该国偿债率在警戒线以内

D．该国负债率和债务率超出了警戒线
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