皮皮学，免费搜题
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【多选题】
水下抛石固脚阻滑时，要（）。A.
从堤坡顶抛石
B.
探清滑坡位置
C.
在滑坡体外缘进行抛石固脚
D.
在滑坡体上部堆石
E.
严禁在滑坡体中上部抛石
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皮皮学刷刷变学霸
举一反三
【单选题】There is _______ with the watch. [ ]
A.
anything wrong
B.
wrong anything
C.
something wrong
D.
wrong something
【单选题】There is ______ with the recorder. [ ]
A.
anything wrong
B.
wrong anything
C.
something wrong
D.
wrong something
【单选题】______ is accepted as wrong is not necessarily wrong.
A.
It
B.
That
C.
What
D.
That it
【简答题】A． wrong something B． something wrong C． nothing wrong D． wrong nothing
【简答题】蛋白质的基本组成单位是什么? 2. 什么是肽键?肽平面? 3. 什么是蛋白质的一级结构?二级结构?三级结构?维持这些结构的作用力各是什么?二级结构的基本形式有哪些? 4. 什么是蛋白质四级结构?所有的蛋白质都有四级结构吗? 5. 蛋白质的理化性质有哪些?什么是蛋白质的等电点pI ? 6. 何谓蛋白质的变性和复性? 7. 引起蛋白质溶于水的因素有哪些?变性的蛋白质一定沉淀吗?沉淀的蛋白质一定变性吗?
【单选题】Is there ______ with your computer? [ ]
A.
everything wrong
B.
wrong something
C.
anything wrong
D.
wrong anything
【单选题】The watch doesn't work. There is _________ [ ]
A.
wrong something
B.
wrong anything
C.
something wrong
D.
anything wrong
【单选题】The doctor asked me what ____ with me. [ ]
A.
is wrong
B.
wrong is
C.
was wrong
D.
wrong was
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