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【单选题】
柴油机最理想的冷却介质是:()
A.
滑油
B.
柴油
C.
淡水
D.
江水
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举一反三
【单选题】质谱中双电荷离子出现在同质量单位电荷离子的
A.
1/2质量处
B.
相同质量处
C.
2倍质量处
D.
4倍质量处
【单选题】质谱中双电荷离子出现在同质量单位电荷离子的
A.
相同质量处;
B.
1/2质量处;
C.
2倍质量处;
D.
4倍质量处。
【单选题】质谱中双电荷离子出现在同质量单位单荷离子的()
A.
相同质量处
B.
1/2质量处
C.
2倍质量处
D.
4倍质量处
【简答题】二.根据句意及所给汉语提示,写出句中所缺短语. 1.Ms.Wang is ______Linda______(在...和...之间)Cindy in this photo. 2.How can we _______(越过这条河)and get there? 3.Jenny is a nice girl,and she_______(长得像)her mother. 4.Work hard and y...
【简答题】They say _______a lot of flu about just now,so I expect that is what it is. 2.And are you allowed to have a drink_______? 3.Hello,Jenny,I haven't seen you ________.How are you? 4.We walked _________th...
【单选题】下列变量定义中合法的是( )
A.
short _a=1-le-1;
B.
double B=1+5e2.5;
C.
long do=0xfdaL;
D.
float 2_and=1-e-3;
【简答题】L: Hi, my name's Lee Chen. J: Hi, Lee. Nice to meet you. My name is Juanita, but 1 Jenny. L: Nice to meet you, Jenny. So, where are you from? J: Well, I was born in Thailand, but we moved to Australia...
【单选题】下列变量定义中合法的是
A.
short _a=1-.le-1;                      B.double b=1+5e2.5;
B.
long do=0xfdaL;                      D.float 2_and=1-e-3;
【单选题】完形填空 Jenny likes __16___ . S h e often ___17__ clothes for her family. One da y, she goes to a __18___. The thing s in i t are __19___ sale. She buys a __20___ s kirt for her mother . Black is her mot...
A.
shop
B.
shopping
C.
shoping
D.
shops
【单选题】质谱中双电荷离子出现在同质量单位的单电荷离子的:
A.
相同质量处
B.
½质量处
C.
2倍质量处
D.
4倍质量处
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