问题
填空题
如果+3.2m表示比海平面高3.2m,那么-7m表示( )。
答案
比海平面低7m
如果+3.2m表示比海平面高3.2m,那么-7m表示( )。
比海平面低7m
附加题(10分) 小题1: —How long may I _________ the book? —Two weeks.
小题5: ______ always do the __________ exercises after watching TV. Use the words below to complete the following sentences.
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