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【单选题】
下列哪项符合阻塞性黄疸的表现
A.
血总胆红素、结合胆红素增多
B.
血总胆红素、非结合胆红素增多
C.
尿胆红素阴性
D.
尿胆原阳性
E.
大便颜色变深
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【单选题】During the economic crisis, they had to cut back production and______workers.
A.
lay off
B.
lay into
C.
lay down
D.
lay aside
【单选题】关于病毒癌基因,正确的是
A.
主要存在于DNA病毒基因组中
B.
是一种原癌基因
C.
最初是在鸡Rous肉瘤病毒中发现的
D.
是由病毒自身基因突变而来
【简答题】Sony and Toyota are struggling. But one brand name is booming (繁荣) in Japan during the economic slowdown—Mickey Mouse. According to the company that runs Tokyo Disneyland, Japan’s busiest theme park w...
【单选题】It is said that ______ 2000 factories were closed down during the economic crisis.
A.
properly
B.
approximately
C.
considerably
【单选题】一个 p 对极的三相交流线圈,有两个有效边在空间的电角度为 170 。 ,则其对应的机械角度为 。
A.
170 。
B.
p× 170 。
C.
170 。/p
D.
0
【单选题】()是亚洲最质化的城市,被称为“亚洲的纽约”.p316
A.
大马尼拉市
B.
马尼拉
C.
宿务市
D.
新加坡
【多选题】关于病毒癌基因,正确的是
A.
能使培养细胞转化为癌细胞
B.
存在于逆转录病毒
C.
又称原癌基因
D.
感染宿主能引起肿瘤
E.
感染宿主细胞后可整合于宿主细胞
【简答题】They claim that ________ 1,000 factories closed down during the economic cr. A) sufficiently B) approximately C) considerably D) properly
【判断题】转录的延伸过程不需要RNA聚合酶的催化,只需核心酶。( )
A.
正确
B.
错误
【单选题】During the economic crisis, we should help those for ______life is far from easy.
A.
whom
B.
whose
C.
who
D.
whoever
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