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【多选题】
下列关于钢材有害元素氧、硫、磷说法正确的是( )。A.
硫化物夹杂于钢中，具有强烈的偏析作用，会降低钢材的各种机械性能
B.
磷含量提高，钢材的强度提高，塑性和韧性显著下降
C.
氧有促进时效倾向的作用，使钢的可焊性变差
D.
磷的偏析较严重，使钢材的冷脆性降低，可焊性降低
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【简答题】猫头鹰想到自己成了“万兽之王”, ______ 极了
【单选题】You have to learn how to be a ______ first, and then to be a student. [ ]
A.
human being
B.
people
C.
person
D.
man
【单选题】Sleep Sleep is one of those funny things about being a human being—you just have to do it. Have you ever wondered why? And what about the crazy dreams, tike the one where a bad person is chasing you a...
A.
Y
B.
N
C.
NG
【单选题】机动车交通事故责任强制保险，简称交强险，是由保险公司对被保险机动车发生道路交通事故造成本车人员和被保险人以外的受害人的人身伤亡、财产损失，在责任限额内予以赔偿的强制性责任保险。 根据以上定义，下列选项中甲可以获得交强险赔偿的是（ ）。
A.
甲因闯红灯被正常行驶的汽车撞倒，造成腿骨骨折
B.
甲遛狗时被逆行的自行车刮伤，缝了7针
C.
甲与家人开车旅行，因雨天路滑，不慎撞入路旁的小吃店，导致甲左眼失明
D.
甲在校园内骑车，因车速太快，撞上了路边停着的一辆本田小轿车，甲的自行车被撞坏
【单选题】Sleep Sleep is one of those funny things about being a human being -- you just have' to do it. Have you ever wondered why? And what about the crazy dreams, like the one where a bad per son is chasing ...
A.
Y
B.
N
C.
NG
【简答题】It is human being’s duty to protect the natural environment from being polluted.
【单选题】In what sense is the average human being unable to 'think'?
A.
All human beings can 'think' in all senses.
B.
It's only a question of speed. We are unable to think fast.
C.
Most people do not have great creative ability.
D.
The average human beings have faults in their program and that's why they can't think.
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