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【单选题】
带传动采用张紧装置的主要目的是
A.
减轻带的弹性滑动
B.
提高带的寿命
C.
改变带的运动方向
D.
调节带的张紧力
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举一反三
【单选题】个月女婴,6.2kg,母乳喂养,未添加任何辅食,大便5~6 次/日,黄色糊状便,无臭味。大便细菌培养阴性。该患儿的治疗正确的是( )
A.
庆大霉素
B.
利巴韦林
C.
氨苄西林
D.
诺氟沙星
E.
添加辅食及助消化药
【单选题】药物在体内代谢和被机体排出体外称( )
A.
解毒
B.
灭活
C.
消除
D.
排泄
【单选题】看渣是直接观察判断炉况的 重要手段之一。看渣要有三看“一看渣( )、二看渣的凉热,三看出渣过程中的变化”。
A.
温度
B.
碱度
C.
粘度
【单选题】应用文对材料的要求中,最根本的标准是
A.
真实
B.
形象
C.
典型
D.
新鲜
【单选题】能反映呼吸性酸碱紊乱最佳的指标是,
A.
AB
B.
PaCO2
C.
SB
D.
AG
E.
BE
【单选题】How to practise "Less is More" in our life according to unit 6?
A.
We should control our desire of buying too many unnecessary things.
B.
Throw unnecessary and useless things from time to time to keep room clean and tidy.
C.
To focus our mind on our goals, instead of being distracted by too many choices.
D.
All of the above.
【单选题】The headmaster said, ' our hope that every one of the students in our school can go to college after they graduate.' [     ]
A.
This is
B.
There is
C.
That is
D.
It is
【单选题】Eliot thinks that emotions in poems should be _____.
A.
impersonal
B.
personal
C.
complicated
【单选题】气体被吸收剂溶解时不伴有化学反应的称()吸收。
A.
物理
B.
化学
C.
单组分
D.
多组分
【单选题】There will be two more foreign teachers at our college. (改为否定句)
A.
There will not be two more foreign teachers at our college.
B.
There will not two more foreign teachers at our college.
C.
There not will be two more foreign teachers at our college.
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