问题
单项选择题
空气温度短期内降到0℃或0℃以下，水汽在地表面结冰所出现的现象称为（）
A.冷害
B.霜冻
C.寒流
D.霜
答案
参考答案：B
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空气温度短期内降到0℃或0℃以下，水汽在地表面结冰所出现的现象称为（）
A.冷害
B.霜冻
C.寒流
D.霜
参考答案：B
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| When we were having an English test this morning, I felt somebody was watching me a little too closely, I turned my 1 quickly and saw Jack, who sat right behind me. My eyes caught 2 and he said very quietly, “I hope you studied for this 3 !” “What am I doing to do?” I thought to myself. I 4 cheating （作弊）in exams. Beaides, I’d studied 5 for the test. Clearly Jack hadn’t. During the exam, I tried several ways to guard my answers so that Jack wouldn’t b  e able to see them. When the exam 6 ,I felt I should let him know cheating was 7 . And I didn't want to destroy（破坏）our friendship. My mind 8 the right words. “Sorry,Jack, 9 you know how I feel about cheating.” I said slowly and gently ,” May-be I could help you 10 before the next test.” “OK, Bob,” he smiled weakly. “It might not be easy ,but I’ll have a try.” | ||||
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