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【单选题】
关于抗原抗体特异性结合力的说法，不正确的是（）A.
非共价键
B.
力
C.
氢键
D.
疏水键
E.
需8种分子间引力参与
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反馈参考答案：
举一反三
【简答题】Viele Eltern machen sich erst Sorgen ____ihre Kinder, wenn schon etwas passiert ist.
【单选题】Disruptive action tactics can cause
A.
embarrassment.
B.
increased costs.
C.
anger.
D.
escalation of conflict.
E.
Disruptive action tactics can cause all of the above.
【单选题】What can a 'malignant' virus do to your computer?
A.
It can cause no damages at all.
B.
It can cause damages to the computer systems.
C.
It can copy your files in computers.
D.
It can format your hard drive.
【单选题】We ________ jump to conclusions before we have all the facts.
A.
couldn't
B.
mightn't
C.
shouldn't
D.
mustn't
【单选题】Black smoke coming from a boiler can be caused by _____.
A.
low water level
B.
high water level
C.
excessively high fuel pressure
D.
low oil temperature
【单选题】有关早产儿的生理特点,下列错误的是
A.
排尿次数多，易发生低钠血症
B.
生理性黄疸较足月儿明显，持续时间长
C.
易发生呼吸暂停
D.
原始反射已经发育完善
E.
胎龄愈小，血清IgG含量愈低
【单选题】Disruptive action tactics can cause
A.
embarrassment.
B.
increased costs.
C.
anger.
D.
Disruptive action tactics can cause all of the above.
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