皮皮学，免费搜题
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搜题
【单选题】
神经调节的基本方式A.
反射
B.
反应
C.
反馈
D.
兴奋
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】We had to read ______ the light of a candle because the light went out.
A.
by
B.
in
C.
with
D.
on
【单选题】--- Did that book give the information you needed? --- Yes, but ______, we had to read it almost entirely.
A.
for finding it
B.
to find it
C.
finding it
D.
by finding it
【单选题】We had to read the book, _____.
A.
shouldn ’ t we
B.
would we
C.
mustn ’ t we
D.
didn ’ t we
【单选题】________ we had read your letter _____the true state of affairs.
A.
It was until… that we understood
B.
It was not until…that we understood
C.
Until …did not we understand
D.
Not until… we understood`
【单选题】We had to read the first chapter, ?
A.
don't we
B.
didn't we
C.
shouldn't we
D.
weren't we
【单选题】We had to read the first chapter,__________?
A.
didn't we
B.
shouldn't we
C.
don't we
D.
weren't we
【单选题】We had already read the _____ before we operated the machine. [ ]
A.
introduction
B.
direction
C.
explanation
D.
instructions
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