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【单选题】
自然循环双管系统特点是:各层散热器都( )在供、回水立,进入各层散热器的水温相同。
A.
并联
B.
直接连接
C.
串联
D.
间接连接
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举一反三
【单选题】the aftemoon he often plays computer games. But yesterday afternoon he did some washing. [     ]
A.
In; in
B.
/; in
C.
In; /
D.
/; /
【单选题】“时教必有正业,退息必有居学”体现了()的教育思想。
A.
教学相长
B.
因材施教
C.
课内与课外相结合
D.
启发式教学
【单选题】He often plays games _____ his brothers and sisters. [     ]
A.
with
B.
to
C.
in
D.
for
【单选题】“时教必有正业,退息必有居学”体现的是______教育思想。
A.
课内和课外相结合
B.
因材施教
C.
教学相长
D.
自发式教学
【简答题】估算。 19×39≈ 31×21≈ 42×59≈ 13×28≈ 48×29≈ 51×51≈
【单选题】“时教必有正业,退息必有居学”体现的是(  )相结合的教育思想。
A.
游戏与学习
B.
课内与课外
C.
学习与思考
D.
学习与行动
【单选题】—What does your uncle do? —_____. [     ]
A.
He is Mr Green
B.
He is from Japan
C.
He often plays tennis after school
D.
He is a worker
【简答题】估算 74×22≈ 51×68≈ 59×92≈ 298+205≈ 432-228≈ 82÷8≈ 38×53≈ 77÷4≈
【单选题】“时教必有正业,退息必有居学”体现的是( )教育思想。
A.
藏息相辅
B.
因材施教
C.
教学相长
D.
启发式教学
【单选题】The boy often _________basketball after school. But now he _________piano.
A.
plays; is playing the
B.
play the; plays
C.
is playing the; is playing
D.
plays the; is playing
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