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【单选题】
关于基坑支护施工的说法，正确的是( )。A.
锚杆支护工程应遵循分段开挖、分段支护的原则，采取一次挖就再行支护的方式
B.
设计无规定时，二级基坑支护地面最大沉降监控值应为8cm
C.
采用混凝土支撑系统时，当全部支撑安装完成后，仍应维持整个系统正常运转直至支撑面作业完成
D.
采用多道内支撑排桩墙支护的基坑，开挖后应及时支护
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【单选题】科学研究发现,附着在内质网上的核糖体主要合成某些专供输送到细胞外面的分泌物质。下列哪种是由核糖体合成且分泌到细胞外的物质
A.
血红蛋白
B.
呼吸氧化酶
C.
胃蛋白酶原
D.
性激素
【简答题】In Colombia, there are some unwritten rules that people are used to. These rules are not officially established, but people do respect them. For example, on a bus, a person keeps a distance from anoth...
【单选题】It is an astonishing fact that there are laws of nature, rules that summarize conveniently (1)_____ qualitatively but quantitatively-how the world works. We might (2)_____ a universe in which there ar...
A.
just
B.
very
C.
just not
D.
not just
【简答题】When your friends or family get married, there are all kinds of wedding etiquette and rules that govern their behavior. But did you know there are rules for wedding guests too? To ensure that you don’...
【单选题】科学研究发现，附着在内质网上的核糖体主要合成某些专供输送到细胞外面的分泌物质。下列哪种是由核糖体合成且分泌到细胞外的物质 [ ]
A.
血红蛋白
B.
呼吸氧化酶
C.
胃蛋白酶
D.
性激素
【简答题】齿轮泵的结构形式有（）齿轮泵和（）齿轮泵两种。
【简答题】I am a ager. I want to use the Internet. I know that there are rules about what I should do online. I agree to follow these rules, and my parents agree to help me follow these rules: 1. I will not...
【单选题】It is an astonishing fact that there are laws of nature, rules that summarize conveniently -【21】qualitatively but quantitatively - how the world works. We might【22】a universe in which there are no suc...
A.
just
B.
very
C.
just not
D.
not just
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