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【单选题】
梯形法是用( )来代替计算曲线。A.
二次抛物线
B.
折线
C.
三次抛物线
D.
直线
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举一反三
【单选题】关于干扰素的说法,正确的是:
A.
进入宿主细胞后,由病毒分泌的抑制其他病毒的蛋白质
B.
干扰素可直接杀灭病毒,具有广谱高效抗病毒作用
C.
化学本质为蛋白质,其合成受病毒基因组调控
D.
有抗病毒、抗肿瘤、调节免疫效应细胞等多种生物学功能
【简答题】The soldiers' rapid march was _____________by the general's command; they were uncertain whether to go back or forward.
【单选题】The soldiers' rapid march was _______ by the general's command; they were uncertain whether to go back or forward.
A.
pulled to a stop
B.
plowed through
C.
made their way
D.
stopped short
【简答题】The soldiers' rapid march was ________ by the general's command; they were uncertain whether to go back or forward. 士兵们的快速行军在将军的指挥下突然停止了;他们不知道是后退还是前进。
【简答题】unit 4 教材75页第3题 Fill in the blanks
【单选题】The soldiers' rapid march was _______by the general's command; they were uncertain whether to go back or forward.
A.
stopped short
B.
run short
C.
for short
D.
in short of
【简答题】The soldiers' rapid march was stopped short by the general's command; they were uncertain whether to go back or __________.
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