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【简答题】
Few people I know seem to have much desire or time to cook. Making Chinese __56__ (dish) is seen as especially troublesome. Many westerners __57 __ come to China cook much less than in their own countries once they realize how cheap __58__ can be to eat out. I still remember __59 __ (visit) a friend who’d lived here for five years and I __60__ (shock) when I learnt she hadn’t cooked once in all that time. While regularly eating out seems to __61__ (become) common for many young people in recent years, it’s not without a cost. The obvious one is money; eating out once or twice a week may be 62___(afford) but doing this most days adds up. There could be an even 63 (high) cost on your health. Researchers have found that there is a direct link between the increase in food eaten outside the home and the rise in___64__ (weigh) problems. If you are not going to suffer this problem, then I suggest that the next time you go to your mum’s home __65__ dinner, get a few cooking tips from her. Cooking food can be fun. You might also begin to notice the effects not only on your health but in your pocket. 61____________ 57 58 59 60 61 62 63 64 65
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【单选题】目前常用的高速进给系统有以下三种主要的驱动方式( )。
A.
大导程滚珠丝杠、新型直流伺服电机和线性导轨
B.
高速滚珠丝杠、直线电动机和虚拟轴机构
C.
直线导轨、直线电动机和并联轴机构
D.
高速滚珠丝杠、线性导轨和交流伺服电机
【单选题】この本は間違い___、読むのはとても疲れます。
A.
ばかりに
B.
ばかりで
C.
ばかりを
D.
ばかりなのに
【单选题】根据孔、轴( )之间的不同关系,可分为三类配合,即间隙配合、过盈配合和过渡配合。
A.
公差
B.
公差值
C.
数字
D.
公差带
【单选题】轴扭转切应力公式适用于如下横截面轴,下列结论正确的是 ( ) (A)矩形横截面轴 (B)椭圆横截面轴 (C)圆形横截面轴 (D)各种形状横截面轴
A.
B.
C.
D.
D
【单选题】病人男,5岁。肛门常有瘙痒不适,少量便血。护士指导其温水坐浴的水温是
A.
32-35℃
B.
37-39
C.
40-45℃
D.
45~499℃
E.
50~56℃
【判断题】扭转切应力公式 可以适用于任意截面形状的轴.
A.
正确
B.
错误
【判断题】孔、轴配合的类型分为间隙配合、过盈配合和过渡配合三种。
A.
正确
B.
错误
【判断题】扭转切应力公式可适用于任意截面形状的轴
A.
正确
B.
错误
【简答题】机械产品根据孔和轴公差带之间的配合,分为间隙配合、过盈配合和过渡配合三类,它们是怎样的配合?
【单选题】轴扭转切应力公式 适用于如下哪种截面轴,正确的答案是( )
A.
矩形截面轴;
B.
椭圆截面轴;
C.
圆形截面轴;
D.
各种形状截面轴
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