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【多选题】
半电池电位的大小由( )所决定。A.
相关金属
B.
溶液中金属离子浓度
C.
温度
D.
参比电极
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【简答题】Rivers, Seas and Oceans Nearly three-quarters of the earth is covered with water. Water heats up more slowly than land , but once it has become warm , it takes longer to_1_down . If the earth ’s su...
【单选题】Visiting friends or chatting online is the next most common leisure activity. This takes up nearly 45 minutes every day.
A.
拜访朋友或者网聊是接下来最常见的休闲活动，这类休闲活动每天占用 45 分钟。
B.
拜访朋友或者网聊是第二大休闲活动，这类休闲活动每天大约占用 45 分钟。
【简答题】任务型阅读。 Tina, Mike, Jeff, Linda和Vera在生活、学习和运动中遇到一些问题，请阅读下面五个片段，并从后面的选项(A-E)中帮他们找到解决问题的方法或建议。 ( )1. Tina has been invited to one of her friends' birthday party next Sunday. She is worried about this...
【单选题】Rivers, Seas and Oceans Nearly three-quarters of the earth is covered with water. Water heats up more slowly than land , but once it has become warm , it takes longer to_1_down . If the earth ’s surfa...
A.
A
B.
D
C.
A
D.
D
E.
A
F.
B
G.
C
H.
B
I.
C
J.
B
【简答题】Rivers, Seas and Oceans Nearly three-quarters of the earth is covered with water. Water heats up more slowly than land,but once it has become warm, it takes longer to_1_down. If the earth’s suce we...
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