热电偶测温的理论基础是()。
A、克希霍夫定律;
B、帕斯卡定律;
C、热电效应;
D、电磁效应
参考答案:C
Canada is the only country that _____ an entire continent in the world, facing the Atlantic ____ the east. [ ]
A. makes up; on
B. covers; on
C. takes up; to
D. do up; in
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