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【单选题】
上下镜头组接要有明显的变化，通常为相隔；相邻变化时，至少需要三个镜头组接，比如我们儿时听过的故事：“从前有座山，山里有座庙，庙里有位老和尚讲故事……”，即蒙太奇的（）A.
前进式句型
B.
后退式句型
C.
拉远式句型
D.
环型句子
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【单选题】CaC 2 O 4 的 K sp = 2.6 ́ 10 -9 , 在含 0.020 mol·dm -3 Ca 2+ 的溶液中形成沉淀时 , 所需 离子浓度至少应为 ( )
A.
1.1 ´ 10 -9 mol·dm -3
B.
1.3 ´ 10 -7 mol·dm -3
C.
2.2 ´ 10 -5 mol·dm -3
D.
2.2 ´ 10 -7 mol·dm -3
【单选题】The river fish has been pulluted.
A.
was full of
B.
was filled with
C.
full with
D.
filled with
【单选题】So ____ that no fish can live in it.
A.
the river is shallow
B.
shallow the river is
C.
shallow is the river
D.
is the river shallow
【单选题】CaC 2 O 4 ( K sp =2.32 ×10 -9 )在 0.1 mol × L -1 的 CaCl 2 溶液中的溶解度为( )
A.
4.81 ×10 - 5 mol × L -1
B.
1.32 ×10 - 3 mol × L -1
C.
8.34 ×10 - 4 mol × L -1
D.
2.32 ×10 - 8 mol × L -1
E.
1.16 ×10 - 8 mol × L -1
【单选题】.—What should we do to protect the fish in the river? —We throw rubbish into the river.
A.
mustn’t
B.
have to
C.
must
D.
needn’t
【单选题】CaC 2 O 4 的 K sp 为 2.6×10 - 9 ,要使 0.020 mol.dm - 3 CaCl 2 溶液生成沉淀,需要的草酸根离子浓度是 ( )
A.
1.3×10 － 7 mol.dm － 3
B.
1.0×10 － 9 mol.dm － 3
C.
5.2×10 － 10 mol.dm － 3
D.
2.2×10 － 5 mol.dm － 3
【单选题】Not until the fish died in the river how serious the pollution was.
A.
did the villagers realize
B.
the villagers realized
C.
the villagers did realize
D.
didn’t the villagers realize
【简答题】Sometimes in the afternoon, I, together with my cousins, went to the river to fish.
【简答题】连词成句，我最棒！ 1. a live does where zebra ? 2. is judge a the monkey . 3. lives the river fish in a . 4. live a does a snake in hole ? 5. animal ...
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【单选题】The river fish has been pulluted.
A.
was full of
B.
was filled with
C.
full with
D.
filled with
参考解析：
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