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【单选题】
03-29电梯检修运行时不能上行但能下行,可能的原因是( )。
A.
安全回路或门锁回路开关故障
B.
上限位开关故障
C.
上强迫减速开关故障
D.
下限位开关故障
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举一反三
【单选题】Since she and I both work in the same college, I can hardly avoid ____ her.
A.
meet
B.
to meet
C.
meeting
D.
having met
【单选题】乳腺癌最常见的部位是指乳房的()
A.
内上象限
B.
外上象限
C.
内下象限
D.
外下象限
E.
乳晕区
【简答题】Since Linda is both dit and smart,I never doubt that she will__________.
【简答题】Recently, one of my best friends Jennie, with whom I have shared just about everything since the first day of kindergarten, spent the weekend with me. Since I moved to a new town several years ago, we...
【判断题】链传动能保证准确的平均传动比传动功率较大。
A.
正确
B.
错误
【单选题】无符号二进制数 00011001 转换为十进制数是( )。
A.
25
B.
50
C.
75
【单选题】下列哪些药物有可能导致成瘾:
A.
杜冷丁
B.
复方甘草片
C.
止咳水
D.
以上选项都是
【简答题】Dear Eric: Linda and I have been best friends since we were six years old. We often study and play together. It’s great! But she often gets unhappy when I get better grades than her –she really ge...
【简答题】No. 5 Questions 6 to 10 are based on the following passage Recently, one of my best friends Jennie, with whom I have shared just about everything since the first day of kindergarten, spent the weekend...
【简答题】用适当的时态填空: 1.She’s _____________ (live) here ever since she was ten. 2.Both of them ________________ (be) in Hongkong for ten days. 3.Both of them ____________ (come) to Hongkong ten days ago. 4. Half ...
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