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【多选题】
下列古人类遗址属于母系氏族公社时期的是:A.
河南渑池仰韶文化遗址
B.
湖南道县玉蟾岩遗址
C.
陕西西安半坡文化遗址
D.
甘肃临洮马家窑文化遗址
E.
浙江余姚良渚文化遗址
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【单选题】Gas has become so cheap that it can be _____________ coal as an electricity-generating fuel.
A.
groped for
B.
substituted for
C.
applauded for
D.
strived for
【简答题】A town in Oxfordshire has become the first in the UK to have biomethane（生物甲烷）gas from human waste piped to their homes for gas central heating and cooking. Up to 200 families in Didcot now receive the...
【单选题】One of the reasons Billy Crystal has become so famous is _______ his outstanding ability to improvise(即兴创作). [ ]
A.
that; that
B.
why,/
C.
why，that
D.
because, /
【单选题】第二次工业革命深刻改变了世界面貌。下列现象不属于此次工业革命影响的是( )
A.
改变了人们的生活方式
B.
垄断组织开始出现
C.
“电气时代”到来
D.
工厂替代了手工工场
【简答题】气质有哪些类型？
【简答题】A town in Oxfordshire has become the first in the UK to have biomethane(生物甲烷)gas from human waste piped to their homes for gas central heating and cooking． Up to 200 families in Didcot now receive the...
【简答题】Gas has become so cheap that it can be _____________ coal as an electricity-generating fuel.
【单选题】So often ______ in recent years that it has almost become a rule.A．has this happenedB．this has ha
A.
32.So often ______ in recent years that it has almost become a rule. A．has this happened
B.
this has happened
C.
is this happening
D.
for this to happen
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