皮皮学，免费搜题
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搜题
【单选题】
分流型先心病最常见的并发症为A.
肺炎
B.
脑脓肿
C.
脑血栓
D.
心力衰竭
E.
细菌性心内膜炎
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反馈参考答案：
举一反三
【单选题】问题在录音中给出。
A.
Near the forest.
B.
In the river.
C.
At the other side of a river.
D.
On the bridge.
【单选题】问题在录音中给出。
A.
Near the tree.
B.
In front of the tree.
C.
Beside the tree.
D.
Under the tree.
【单选题】问题在录音中给出。
A.
There is another dog in the river.
B.
The dog in the river has nicer meat.
C.
The dog in the river gets a bigger piece of meat.
D.
The dog falls into the river.
【单选题】问题在录音中给出。
A.
A nice, big piece of meat.
B.
A nice, small piece of meat.
C.
A nice, big piece of an apple.
D.
A nice, small piece of an apple.
【简答题】按国家标准规定,化学试剂 FeSO 4 · 7H 2 O ( M =278.04 g · mol -1 )的含量: 99.50~100.5% 为一级( G.R ); 99.00%~100.5% 为二级( A.R ); 98.00%~101.0% 为三级( C.P )。现以 KMnO 4 法测定,称取试样 1.012g ,在酸性介质中用 0.02034 mol · L -1 KMnO 4 溶液滴定,...
【单选题】问题在录音中给出。
A.
It begins to rain.
B.
It gets colder.
C.
It begins to snow.
D.
It gets hotter.
【单选题】问题在录音中给出。
A.
She is under the tree.
B.
She is near the tree.
C.
She is behind the tree.
D.
She is in the tree.
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