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【单选题】
The chain transmission, forming the connection between and the camshaft, is enclosed in the chain drive casing.A.
the turning gear
B.
the crankshaft
C.
the connecting rod
D.
the piston rod
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【单选题】The band is just back from a sell-out European _____.
A.
tourer
B.
tourist
C.
tour
D.
tourism
【单选题】I first became aware of the unemployment problem in 1928. At that time I had just come back from Burma, where unemployment was only a word, and I had gone to Burma when I was still a boy and the post-...
A.
They imagined they were to blame for being out of work.
B.
They had to live no the unemployment benefits.
C.
They should have been working instead of doing nothing.
D.
They had to admit that unemployment would probably continue
【单选题】各单位的劳动卫生部门要在暑期高温、湿热极端天气期间，根据生产作业特点和具体条件，在保证工作质量的同时，适时调整夏季高温作业劳动和休息制度，减少高温时段作业，缩短（）作业时间。
A.
多次连续
B.
一次连续
C.
高温连续
D.
高温持续
【单选题】听力原文：M：I am taking up a collection for the jazz band．Would you like to give? W：Just a minute while I get my wallet. Q：What will the woman probably do next? (13)
A.
Put some money in her wallet.
B.
Buy a band-concert ticket.
C.
Make a donation.
D.
Lend the man some money.
【简答题】有原子序数依次增大的A、B、C、D、E五种元素，A是短周期中族序数等于周期数的非金属元素；B元素的原子既不易失去，也不易得到电子，其基态原子每种轨道中电子数相同；C元素的价电子构型为ns n np n ＋1 ；D的最外层电子数与电子层数之比为3∶1；E是地壳中含量仅次于铝的金属元素，其合金用途最广，用量最大。 (1)B与D形成的非极性分子中中心原子的孤电子对数是________，中心原子的杂化轨道...
【简答题】The band is just back from a sell-out European __________.
【单选题】听力原文：M: Hi, Rose. I just bought a four-band radio which can receive short-wave programs very well. W: Really? I've got a ten-band one and it has less jamming. It's a world-receiver, you know. Q: What ...
A.
The woman's radio can receive more programs than the man's.
B.
The woman's radio can't receive programs as well as the man's.
C.
The four-band radio can receive programs with less jamming.
D.
The man's radio is also a world-receiver.
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