皮皮学，免费搜题
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搜题
【单选题】
抗体致敏载体检测抗原的试验是
A.
间接凝集试验
B.
反向间接凝集试验
C.
间接凝集抑制试验
D.
协同凝集试验
E.
Coomb试验
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举一反三
【简答题】float f=123.5673; int i=(int)f; i 的值现在是 ___ 。
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【单选题】When most people think about changing their body shape,they usually focus on just losing weight. Books and magazines about dieting are among the most popular in the world. Dieting is an important part...
A.
Dieting is about changing one's eating habits.
B.
Dieting does not necessarily mean eating less than one used to.
C.
Dieting does not necessarily mean losing weight.
D.
Losing weight is bound to cause great health problems.
查看完整题目与答案
【单选题】下面关于float数的定义错误的是( )。
A.
float f=-5;
B.
float f=0x0687;
C.
float f=1.0;
D.
float f=7.8f;
查看完整题目与答案
【单选题】.在讨论电路故障时,技师甲说,开路只发生在电路的搭铁回路,技师乙说,短路使得电流旁路了部分正常通路。谁正确?
A.
甲正确
B.
乙正确
C.
两人均正确
D.
两人均不正确
查看完整题目与答案
【判断题】正接法常用于焊接薄件。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Current changing in direction and rising and falling in value is ( ). A.A.C.
C.
D.
C. C.W.C.
查看完整题目与答案
【多选题】当采用直流手工TIG焊的方法时，工件接____叫直流正接，通常用于_____焊接。
A.
电源的正极
B.
电源的负极
C.
小直径管及薄极
D.
大直径管及厚板
查看完整题目与答案
【判断题】焊接厚板时,一般采用直流正接法,这时电弧中的热量大部分集中在焊件上,有利于加快焊件熔化,保证足够的熔深。焊接薄板时,为了防止烧穿,常采用正接法。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Words of praise keep changing because ______.
A.
they lose their freshness
B.
there are more words available in this area
C.
young people are becoming more discriminating
D.
older people try to avoid the in-words of the young
查看完整题目与答案
【简答题】The WTO thus serves four basic functions: 1) to implement, administer, and carry out the WTO Agreement and its annexes; 2)to act as a forum for ongoing multilateral trade negotiations; 3)to serve as a...
查看完整题目与答案
相关题目：
【简答题】float f=123.5673; int i=(int)f; i 的值现在是 ___ 。
查看完整题目与答案
【单选题】When most people think about changing their body shape,they usually focus on just losing weight. Books and magazines about dieting are among the most popular in the world. Dieting is an important part...
A.
Dieting is about changing one's eating habits.
B.
Dieting does not necessarily mean eating less than one used to.
C.
Dieting does not necessarily mean losing weight.
D.
Losing weight is bound to cause great health problems.
查看完整题目与答案
【单选题】下面关于float数的定义错误的是( )。
A.
float f=-5;
B.
float f=0x0687;
C.
float f=1.0;
D.
float f=7.8f;
查看完整题目与答案
【单选题】.在讨论电路故障时,技师甲说,开路只发生在电路的搭铁回路,技师乙说,短路使得电流旁路了部分正常通路。谁正确?
A.
甲正确
B.
乙正确
C.
两人均正确
D.
两人均不正确
查看完整题目与答案
【判断题】正接法常用于焊接薄件。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Current changing in direction and rising and falling in value is ( ). A.A.C.
C.
D.
C. C.W.C.
查看完整题目与答案
【多选题】当采用直流手工TIG焊的方法时，工件接____叫直流正接，通常用于_____焊接。
A.
电源的正极
B.
电源的负极
C.
小直径管及薄极
D.
大直径管及厚板
查看完整题目与答案
【判断题】焊接厚板时,一般采用直流正接法,这时电弧中的热量大部分集中在焊件上,有利于加快焊件熔化,保证足够的熔深。焊接薄板时,为了防止烧穿,常采用正接法。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Words of praise keep changing because ______.
A.
they lose their freshness
B.
there are more words available in this area
C.
young people are becoming more discriminating
D.
older people try to avoid the in-words of the young
查看完整题目与答案
【简答题】The WTO thus serves four basic functions: 1) to implement, administer, and carry out the WTO Agreement and its annexes; 2)to act as a forum for ongoing multilateral trade negotiations; 3)to serve as a...
查看完整题目与答案