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【判断题】
共阳极接法的发光二极管,阴极给高电平,二极管发光。
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【多选题】《伤寒解惑论》的学术特色主要有
A.
传授方法
B.
创新学术
C.
结合案例
D.
随证治之
【单选题】哪个是氯霉素具抗菌活性的构型
A.
1S, 2S
B.
1S, 2R
C.
1R, 2R
D.
2S, 2R
【简答题】完形填空。 Peter has a sister 1 a brother. His sister's name is Lisa. His brother's name is Nick. Lisa 2 music.She can 3 very well. She wants 4 the music club. Peter and Nick can play soccer, but they can'...
【单选题】Lisa said that she married him because she was completely ______ by his manners.
A.
held in
B.
brought in
C.
lain in
D.
taken in
【单选题】燃料电池按 燃料 使用类型分为( )大类。
A.
5
B.
4
C.
3
D.
2
【单选题】哪个是氯霉素具抗菌活性的构型
A.
1S, 2S
B.
1S, 2R
C.
1R, 2R
D.
2S, 2R
E.
2R, 3R
【简答题】用单词正确形式填空 1. This is _____(I )sister. 2. These _______(be) Gina and Lisa. 3. These are his ______(friend). 4. Are these her _______(cousin)? 5. John ______(be) her son.
【单选题】在大批量生产中一般不使用 ( )
A.
完全互换法装配
B.
分组互换法装配
C.
修配法装配
D.
固定调整法装配
【单选题】燃料电池按燃料使用类型分为( )大类。
A.
2
B.
3
C.
4
D.
5
【单选题】What has Jeremiah Spears learned from his friend Lisa?
A.
To put away a part of the money he receives.
B.
To buy what he needs first.
C.
To list his shopping items.
D.
To make a chart of his wants.
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