抽油机新连杆应测量其长度和弯曲度是否在标准规定的范围内，弯曲_爱下问搜题

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问题单项选择题

抽油机新连杆应测量其长度和弯曲度是否在标准规定的范围内，弯曲度超过标准则定为（）产品。

A、不合格

B、合格

C、合适

D、标准

答案

参考答案：A

阅读理解

阅读左栏的五段文字，然后在右栏A-G中找出与他们匹配的信息，并在答题卡上将选项涂黑。（有两个多余项）

( )1. My sister likes candies very
much, but she never brushes her teeth
after eating them.
(     )2.I have asked my uncle to stop         smoking many times, but it did not work.
(     )3. Tony always goes to sleep
after meals.
(     )4. Most children like to eat at
KFC or McDonald’s.
(     )5. Nowadays, many students
like watching TV at home on weekends
for a long time.

    A.I think it’s a bad habit. Going for a walk after meals is good for
us to keep fit and healthy.
    B.Water is a very important thing that we need. Scientists say we
should drink at least 2.5 liters of water a day.
    C.It’s very important to protect our teeth. Eating too much candies
is not only bad for our teeth but also bad for health..
    D.We can see the colorful world by watching TV with our eyes.
But we should protect our eyes carefully. We should let them have a
rest
after watching for one hour.
   E.In summer, swimming is very good. But you should pay attention
that you shouldn’t go swimming after drinking or when you are very
hot.
   F.Many people died from smoking them. Smoking brings us serious
hurt, and we should get away from it.
  G.The food there tastes good,but I think it's junk food.We should take    care of our eating habits and eat more food with high vitamins and eat less meat.

单项选择题

京杭大运河的完成是在（）时期。

A.明朝

B.元朝

C.清朝

D.唐朝