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【单选题】
慢波睡眠有利于:A.
促进学习记忆恢复
B.
促进精力恢复
C.
舒缓精神压力
D.
促进体力恢复
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举一反三
【单选题】某城市最高时用水量为300L/s，其中集中供应的工业用水量为190L/s。干管各管段名称及长度(m)见下图。管段1-2，2-3，4-5为单向配水，其余为双向配水，则比流量qs为( )。
A.
0.0312
B.
0.0472
C.
0.0528
D.
0.0362
【简答题】用所给单词的适当形式填空。 1. This is an interesting book _____ (write) by Shakespeare. 2. Gina was my best friend when l was a kid, but _____(not see)her since 2002. 3. －How long have you been _____ (study) Engli...
【简答题】某城市最高时用水量为 300L/s ,其中集中供应的工业用水量为 190L/s ,干管各管段名称及长度( m )见下图。管段 1-2 , 2-3 , 4-5 为单向配水,其余为双向配水,求比流量 q s 。
【简答题】This wonderful book______(write)by a young writer in Germany last year．
【简答题】In this semester, you are expected to read an English book written by a British author, and then write a book report in about 500 English words. You should submit your book report before the end of th...
【单选题】This book is very interesting. It is _____ by Helen. [ ]
A.
is writen
B.
write
C.
written
D.
wrote
【简答题】This is a book ______ (write) by a famous Chinese writer.
【单选题】This book ____ by a famous American writer.
A.
is write
B.
was written
C.
is writing
D.
wrote
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