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【单选题】
进食发芽的马铃薯会发生食物中毒，是因为发芽的马铃薯含有()。A.
皂素
B.
红细胞凝集素(血液凝集素)
C.
碱
D.
龙葵素(龙葵碱)
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反馈参考答案：
举一反三
【单选题】“Wow, the plane is so crowded. What happened?” “Because so many ____ will go to America to takepart in carnival.”attendants
A.
passengers
B.
flight
C.
captain
D.
co-pilot
【单选题】What is the correct translation of the following sentence? She is vain of her voice, but she laid a few eggs at this year's carnival at Brazil .
A.
她自感嗓音不好，可是在今年巴西嘉年华演出中却赢得了喝彩。
B.
她对自己的嗓音没有把握，可是在今年的巴西嘉年华演出中，她却连获大奖。
C.
她自以为嗓音很动听，可是在今年的巴西嘉年华演出中却非常失败。
D.
她对自己的嗓音很自负，可是在今年的巴西嘉年华演出中却成绩平平。
【简答题】Questions 3-5 32 曲目 32.mp3: Now you will hear the next part of the recording. Choose three letters (a-g) What do the students say about the changes in the Carnival since it started? A It has turned in...
【单选题】In a carnival ride, passengers stand with their backs against the wall of a cylinder. The cylinder is set into rotation and the floor is lowered away from the passengers, but they remain stuck against...
A.
B.
C.
D.
D
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