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举一反三
【多选题】下列关于磁悬浮哪项是正确 ( )
A.
中低速磁浮系统车辆载荷相对均衡、车辆费用较高、属于中运量交通方式
B.
中低速磁浮系统噪音较大、与其他轨道相比维护费用较少
C.
2019年青岛下线高速磁悬浮列车运行速度可达到600 km/h
D.
2018年大连下线中低速磁浮半径不小于50m；160km/h
E.
成都启动超铁属于高速速磁浮
【单选题】Passage Two Questions 66 to 70 are based on the following passage: If an agreement signed in Germany works out, travelers of this Asian city may one day be able to move from the downtown area to its n...
A.
It is difficult to see fingerprints with human eyes.
B.
There are special ways to recover a suspect’s fingerprints.
C.
Even a small part of a fingerprint is useful for identification
D.
Suspects usually try to avoid leaving their fingerprints at the scene.
【多选题】母乳喂养的优越性：____。
A.
出生头4—6个月，母乳是最好的食物和饮料
B.
母乳喂养可以使婴儿今后长得更高
C.
母乳喂养可使婴儿少得病
D.
母乳的成分更有利于脑的发育
E.
母乳喂养可给予婴儿更多的母爱