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【多选题】
如何提高齿轮的抗点蚀能力。( )A.
降低齿面粗糙度
B.
降低润滑油黏度
C.
采用热处理方法提高齿面硬度
D.
增加润滑油黏度
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反馈参考答案：
举一反三
【单选题】下列关于康复的内涵错误的是( )。
A.
康复的对象包括急性期有功能障碍的患者
B.
康复的措施是多方面的
C.
康复的目标是重返社会
D.
康复仅仅侧重躯体上的功能障碍
【简答题】When Dave was eigh, he bought a secondhand car for ＄200 so that he could travel to and from work more__36__ than by bus. It worked quite well for a few years, but then it got so old, and it was co...
【单选题】两个同方向同频率的简谐振动,其合振动的振幅为0.20m,合振动与第一分振动的相位差为60 度,已知第一分振动的振幅为0.10m,则 (1)第二分振动的振幅为( )m。 (2)第二分振动与第一分振动的相位差为( )。
A.
（1）0.137 （2）
B.
（1）0.137 （2）
C.
（1）0.173 （2）
D.
（1）0.173 （2）
【单选题】---Is it Jim who is driving the new car? ---Probably. I know he has recently bought a ______ car.
A.
shiny German black
B.
black shiny German
C.
shiny black German
D.
black German shiny
【简答题】When Dave was eigh, he bought a secondhand car for 200 so that he could travel to and from work more____ than by bus. It worked quite well for a few years, but then it got so old, and it was costi...
【简答题】分析句子结构 The waiter brought a bottle of beer to me.
【单选题】He inspected the car before he bought it．
A.
invested
B.
managed
C.
maintained
D.
examined
【简答题】When Dave was eigh, he bought a secondhand car for 200 so that he could travel to and from work more__ than by bus. It worked quite well for a few years, but then it got so old, and it was costing...
【简答题】完形填空。 When Dave was eigh, he bought a secondhand car for $200 so that he could travel to and from work more____1____ than by bus. It worked quite well for a few years, but then it got so old, and ...
【单选题】下列关于康复的内涵错误的是 ()
A.
康复的对象包括急性期有功能障碍的患者
B.
康复的措施是多方面的
C.
康复需要残疾人适应周围环境，也要改造周围环境
D.
康复的目标是重返社会
E.
康复仅仅侧重躯体上的功能障碍
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