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引导接，列车以不超过20km/h速度进站，并做好（）的准备。
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举一反三
【简答题】The earth of today is not that it was millions of years ago.
【简答题】Today Newtown is a clean place, but many years ago there were millions of rats there. The rats even attacked (攻击 ) the cats and dogs. Sometimes many of them tried to bite men or women at night. The ra...
【单选题】某女士，妊娠28周，产前检查均正常，咨询监护胎儿情况最简单的方法，应指导其采用
A.
胎儿听诊
B.
自我胎动计数
C.
测宫高、腹围
D.
B超检查
E.
电子胎心监护
【简答题】阅读理解。 There are millions of used cell phones in the world today, the most of them just lay in our houses without any purpose. Everyday dozens of new cell phone models appeared. Today, you can find wha...
【单选题】听力原文： Millions of years ago, whales lived on land and walked on four legs. Today, whales still have small bones that are the remains of their hind legs, but these bones can only be seen on the inside ...
A.
By its thick layer of fat under its skin.
B.
By moving frequently in the water.
C.
By adjusting its blood temperature.
D.
By taking in hot air.
【单选题】某女士,妊娠28周,产前检查均正常,咨询监护胎儿情况最简单的方法,应指导其采用
A.
胎心听诊
B.
我胎动计数前
C.
测宫高、腹围
D.
B超检查 、
E.
电子胎心监护
【单选题】Cell Phones:Hang Up or Keep Talking? Millions of people areusing cell phones today. In many places it is actually considered unusualnot to use one. In many countries, cellphones are very popular with ...
A.
they ' re cheap
B.
they're popular
C.
they're usefu
D.
they're convenient
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