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【单选题】
小张在骑自行车时发现，自己骑车特别费力。于是，它检查了自行车系统的各个组成部分，包括车圈、轮胎、链轮、脚蹬等，最后找出故障的原因是传动系统的润滑不良。小张加了润滑油以后排除了故障。通过实践知道了自行车系统中需要加润滑油的部位和不需要加的部位。下列各项中不能加润滑油的是（）。A.
链轮轴承
B.
车圈转轴轴承
C.
脚蹬轴承
D.
刹车皮与钢圈
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【简答题】Which album was considered as Queen's definitive work as well as their finest work?
【单选题】His silence at the meeting suggested that he _______ to your plan.
A.
hadn’t agreed
B.
didn’t agree
C.
wouldn’t agree
D.
not agree
【简答题】思考题8 什么是吸收光谱曲线?什么是标准曲线?它们有何实际意义?
【多选题】Which factors will affect the dynamics of microfilament ?
A.
Actin-binding proteins
B.
Ca2+
C.
ATP-actin concentration
D.
ATP concentration
【单选题】Which of the following factors will reduce a drug’s bioavailability?
A.
incomplete dissolution
B.
degradation by stomach acid
C.
poor ability to go across cell membrane due to low hydrophobicity
D.
poor dissolving in the stomach or small intestine due to low hydrophilicity
E.
all of the above
【简答题】Choose between because and because of in the sentences below. Because / Because of his poor editing, he failed the assignment. Their presentation was very well prepared because / because of their exce...
【单选题】Which factors will affect the distances between the centre of the disc and the deck line?
A.
Dimension
B.
Structure
C.
Types of cargo
D.
All of the above
【简答题】Their work was well planned, everybody worked with great enthusiasm, thus, they over fulf illed their quota.
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