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【简答题】
为防止少筋破坏,应保证满足最小受扭配箍率即可。(    )
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举一反三
【单选题】The old oak tree in the churchyard for 300 years before the church .
A.
would stand; built
B.
would stand; was built
C.
had stood built
D.
had stood; was built
【简答题】I was surprised! Somehow, I stopped the car quickly.
【简答题】酶作为生物催化剂具有什么特点? 什么是酶原,什么是酶原激活,酶原激活具有什么生理意义?
【单选题】I stopped the car ____ a short break as I was feeling tired.
A.
take
B.
taking
C.
to take
D.
taken
【单选题】I stopped the car ____ a short break as I was feeling tired.
A.
take
B.
taking
C.
taken
D.
to take
【简答题】动物体 内含有 维生素( ) , 植物 中 不含维生素 ( ) ,只含有 ( ) 。
【单选题】下列关于临床后正常子宫收缩特点的描述,错误的是
A.
子宫收缩由弱到强,由强到弱,直至进入人间歇期
B.
在分娩过程中,子宫收缩频率逐渐增加,强度逐渐加强
C.
正常宫缩每次开始于宫底
D.
子宫底部收缩力最强,最持久,向下逐渐减弱
E.
宫缩后子宫肌纤维不能完全恢复到原来长度
【单选题】The task before us___great courage and perseverance.
A.
calls up
B.
calls on
C.
calls forth
D.
calls for
【单选题】下列不属于微生物转化特点的是 ()
A.
以具有活性中心和特殊空间结构的蛋白质酶作为催化剂
B.
对作用的基质具有严格的选择性和专一性
C.
酶催化反应的速度极高,非一般催化剂可比
D.
一般在高温高压下进行,反应条件剧烈
【单选题】(2013·山东高考)I stopped the car ________ a short break as I was feeling tired.
A.
take
B.
taking
C.
to take
D.
taken
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