皮皮学，免费搜题
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【单选题】
Economic Belt along the Silk RoadA.
金丝带
B.
丝绸之路经济带
C.
丝路之旅沿线的经经济特区
D.
丝绸产品开发区
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】—Amy, would you __ me to the airport to pick up Jim? I don’t won’t to go there alone. —No problem.
A.
accompany
B.
follow
C.
replace
D.
assist
【单选题】He is good at maths and it won’t be long ____ he works out the problem.
A.
since
B.
until
C.
before
D.
when
【单选题】Delaying the problem too long won't help ______ it.
A.
solving
B.
solve
C.
to solve
D.
solves
【单选题】I won’t tell the student the answer to the math problem until he ________ on it for more than an hour.
A.
has been working
B.
will have worked
C.
will have been working
D.
had worked
【多选题】下列关于陕北住宅的叙述中,正确的有________。
A.
冬暖夏凉，适宜居住
B.
由于地理和气候环境的影响，人们因地制宜，修建
C.
它是黄土高原上最常见的民居形式，历史较为悠久
D.
一般分为靠崖窑和地坑窑两种
【单选题】_______ you work hard, you won’t solve this problem.
A.
Even
B.
As
C.
Unless
D.
Since
【简答题】建筑的基本使用单元包括 1 , 2 和 3 。
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