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搜题
【单选题】
革兰阳性菌与革兰阴性菌细胞壁共有的成分是
A.
磷壁酸
B.
脂蛋白
C.
肽聚糖
D.
外膜
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【简答题】Exercise B : Listen to the dialogue again and answer the following questions. 1. What did the guests think o f the flat? __________________________________________ 2. How many friends did Jack invite ...
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【判断题】对某支路的电气设备合闸时,其倒闸顺序是先合隔离开关,其次是负荷开关,最后是断路器。( )(1分)加油!必过!
A.
正确
B.
错误
【判断题】[判断题]对某支路的电气设备合闸时,其倒闸顺序是先合隔离开关,其次是负荷开关,最后是断路器。
A.
正确
B.
错误
【简答题】-How many friends did Wang Yuan have in the school? -He had ______.
【判断题】对某支路的电气设备合闸时,其倒闸顺序是先合隔离开关,其次是负荷开关,最后是断路器。( )(1分)
A.
正确
B.
错误
【判断题】对某支路的电气设备合闸时,其倒闸顺序是先合隔离开关,其次是负荷开关,最后是断路器。( )(1分)
A.
正确
B.
错误
【判断题】对某支路的电气设备合闸时,其倒闸操作顺序是先合隔离开关,其次是负荷开关,最后是断路器。
A.
正确
B.
错误
【单选题】How many friends did the boy have?
A.
One .
B.
Two.
C.
Three.
D.
Four
【判断题】对某支路的电气设备合闸时,其倒闸顺序是先合隔离开关,其次是负荷开关,最后是断路器。()
A.
正确
B.
错误
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