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【单选题】
瞬时电流速断保护最小保护范围不应小于线路全长的A.
50%
B.
30%
C.
15%
D.
10%
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举一反三
【单选题】Student: ______ Librarian: Sure, it"s open from 9:00 a.m. to 6:00 p.m. Monday through Thursday, 9:00 a.m. to noon on Friday and closed on Saturday and Sunday.
A.
Excuse me. Could you please tell me the library hours for the holiday
B.
Please do me a favor. When is the library open
C.
Hello, can I check in these books now
D.
Tell me, when are these books due
【简答题】以下关于我国第四个卫星发射中心——海南文昌卫星发射中心的描述错误的是（ ）。
【简答题】我国神舟一号无人飞船于()在酒泉卫星发射中心发射。
【简答题】My name is Jenny. I′m a student. I get up at 6:00. I eat breakfast at 7 o′clock. Now, it′s 7:30. It′s time to go to school.It′s 9:45.It′s time for P.E class. My P.E teacher is Mr.White.
【简答题】补全对话。 (M---Meimei B-Bill) B: Hello, Meimei. M: Hello, Bill. Where are you going? B: _____ (1). M: The cinema? But I'm afraid it's closed now. It's open only from 4: 00 p. m. to 9: 00 p. m. B: _____ ...
【简答题】()年，我国第一颗地球资源遥感卫星(中巴地球资源卫星)在太原卫星发射中心发射成功。
【简答题】根据句意填入单词。 1. This is the refrigerator. It is c inside. 2. My hands are dirty. I w my hands. Now my hands are c . 3. Mum is c eggs on the stove. 4. It's 12:00. It's time to eat l . 5. Come in. I'll s t...
【简答题】根据句意填入单词，单词的首字母已给出。 1. This is the refrigerator. It is c inside. 2. My hands are dirty. I w my hands. Now my hands are c . 3. Mum is c eggs on the stove. 4. It's 12: 00. It's time to eat l . 5. Come i...
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