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【单选题】
Women:OK.__________________________.Before going out, figure out how much money you need based on your shopping list.A.
Rule number one, make a list and stick to it Secondly, don’t bring too much money.
B.
Next, don’t shop when you are in hurry or when you ’are in a hurry.
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举一反三
【简答题】When the pressure gets low, the boiling-point becomes low.
【多选题】When the low-carbon steel specimen is stretched and compressed in the axial direction, which of the following options is correct? .
A.
proportional limit s are equal
B.
yield strengths are equal
C.
ultimate strengths are equal
D.
elastic moduli are equal
【判断题】As a rule ,when the pressure of the reservoir is high,the rate of production is low; but when the pressure is low,the rate is high.
A.
正确
B.
错误
【单选题】下列不属于原癌基因与抑癌基因差别的是
A.
在功能上，抑癌基因起负调控作用，而原癌基因起正调控作用
B.
在遗传方式上，原癌基因是显性的，而抑癌基因在细胞水平上是隐性的
C.
在突变发生的细胞类型上，抑癌基因突变可以发生在体细胞中，也可能发生在生殖细胞中并通过生殖细胞得到遗传。原癌基因突变只发生在体细胞中
D.
从表达水平上，原癌基因表达水平高，抑癌基因表达水平低
【单选题】In the Northern Hemisphere, when the low pressure center at your location is northerly, causing the wind is located to your ______.
A.
NNW
B.
WSW
C.
ESE
D.
SSW
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