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【单选题】
离合器打滑的原因之一是( )A.
离合器踏板无自由行程
B.
离合器踏板自由行行程过大
C.
新换摩擦片
D.
以上答案都不对
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举一反三
【简答题】工程图样要求是:完整、清晰、简便地表达物体的结构、形状,为此制图标准中规定了哪些相应的表达方法?
【单选题】Why cholesterol levels in people are higher in winters?
A.
Because there is not enough vitamin D in the body.
B.
Because people don't exercise enough in winters.
C.
Because the temperature is lower in winters.
D.
Because people do not receive enough sunshine during winters.
【简答题】中国直肠癌流行病学特点_________、_________ 、 _________。
【简答题】阅读理解。 The Arts Cinema is open 7 days a week, showing lots of American and foreign films. Next week it will show an Australian film called 'Midnight Meeting '. It is set in Sydney in the 1960s.You can ...
【简答题】A．There is not enough financial support from the government. B．There are more retirees taking money out of the system, and not enough additional workers to support them. C．More and more people refuse ...
【多选题】中国人直肠癌的流行病学特点有:
A.
占消化道癌的第二位
B.
直肠癌比结肠癌发生率高，约1.5:1
C.
绝大多数癌肿可在直肠指检时触及
D.
青年人(<30岁)直肠癌比例高，约10％～15％
【单选题】In some countries bathing is expensive because ______.
A.
there is not enough water
B.
electricity and wood are expensive
C.
there are not many baths
D.
bath-houses are rare
【单选题】According to paragraph 6, why is water a problem?
A.
There is not enough water available in the world.
B.
Plants and animals are using the water that humans require.
C.
Distribution of water where it is needed can be difficult.
D.
Most of the water is too old to be used safely.
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