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【单选题】
两个同频率正弦交流电流i1、i2的有效值各为40A和30,当i1+i2的有效值为50A时,i1与i2的相位差是( )
A.
B.
180°
C.
45°
D.
90°
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【单选题】基因治疗的一般步骤是:
A.
克隆得到正常基因—找到致病基因—把正常基因导入病人体内—正常基因的表达
B.
找到致病基因—克隆得到正常基因—把正常基因导入病人体内—正常基因的表达
C.
克隆得到正常基因—把正常基因导入病人体内—找到致病基因—正常基因的表达
D.
正常基因的表达—克隆得到正常基因—把正常基因导入病人体内—找到致病基因
【单选题】企业销售产品一批,货款为3000元,增值税税率为17%。销售商品时代垫运费100元,款项尚未收到,这时,记入“应收账款”账户金额为( )
A.
3610
B.
5200
C.
2560
D.
9350
【单选题】Judging from the way the passage is written, we can see that the writer ______.
A.
is trying to assume an objective attitude
B.
is somewhat biased
C.
has regarded the whole thing as a joke
D.
disagree with the Finnish spokesman
【单选题】在《一剪梅》中,作者没有提到的意象是( )
A.
疾风
B.
过雁
C.
藕花
D.
西楼
【简答题】The way we see things is more complicated (复杂的) than we imagine. Our eyes give us information all the time. But our brains decide what is (11) to us. For example, if you (12) a crowded street, you wil...
【判断题】老子《道德经》中提到的“无”应理解为“空无”、“什么都没有”的意思。
A.
正确
B.
错误
【单选题】Some of us fail to learn that pain is the body’s way of informing the mind ______ we are doing something wrong, but not necessarily ______ is wrong.
A.
that, what
B.
that, where
C.
what, that
D.
what, what
【简答题】Some of us fail to learn that pain is the body’s way of informing the mind ______ we are doing something wrong, not necessarily ______ something is wrong. A.that, what B.that, that C.what, that D.what...
【单选题】企业销售产品一批,货款为3000元,增值税税率为17%。销售商品时代垫运费100元,款项尚未收到,这时,记入“应收账款”账户金额为( 元)
A.
3610
B.
5200
C.
2560
D.
9350
【单选题】企业销售产品一批,货款为3000元,增值税率13%,销售商品时代垫运费100元,款项尚未收到。这时,记入“应收账款”账户中的金额为()元
A.
3000
B.
3390
C.
3490
D.
490
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