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【单选题】
In the west－central region lived the Welsh, who spoke a Celtic language, and in the north livedA.
27. In the west-central region lived the Welsh, who spoke a Celtic language, and in the north lived the Scots, whose language, ______ not the same as Welsh, was also Celtic. A．though
B.
unless
C.
if
D.
as if
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【单选题】冷变形金属再加热时发生的再结晶过程是一个新晶粒代替旧晶粒的过程,这种新晶粒的晶格类型是:
A.
与变形前的金属相同
B.
根据 变形条件来确定
C.
依赖于再结晶温度
D.
形成新的晶格类型
【简答题】Solar power has some obvious advantage over other energy source.
【单选题】As examples of the use of solar power, the author describes_______.
A.
how solar power is provided in every building in Japan and the U.S.
B.
how solar roofs are used in Japan and the U.S.
C.
how Japanese scientists are producing cheap solar power
D.
how most buildings in the U.S. are heated by solar power
【简答题】膜污染的因素通常有哪些?
【单选题】冷变形金属再加热时发生的再结晶过程是一个新晶粒代替旧晶粒的过程,这种新晶粒晶格类型的特点是:
A.
晶格类型与变形前的金属相同
B.
根据变形条件来确定晶格类型
C.
晶格类型依赖于再结晶温度
D.
形成新型的晶格
【单选题】Which energy has damage to us according to the passage?
A.
Wind power.
B.
Fossil fuels.
C.
Solar power.
D.
Water power.
【简答题】本次课程,你对物料颜色判断有哪些认识?
相关题目：
【单选题】冷变形金属再加热时发生的再结晶过程是一个新晶粒代替旧晶粒的过程,这种新晶粒的晶格类型是:
A.
与变形前的金属相同
B.
根据 变形条件来确定
C.
依赖于再结晶温度
D.
形成新的晶格类型
参考解析：
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