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【单选题】
在6级及以上的大风以及暴雨、雷电、冰雹、大雾、沙尘暴等恶劣天气下,应停止()作业
A.
所有登高
B.
室内高处
C.
露天高处
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参考答案:
举一反三
【单选题】Sarah is _______ a kind-hearted girl _______ she often helps people who are in trouble. [     ]
A.
so, that
B.
too, to
C.
such, that
D.
not only, but also
【单选题】用0.1mol/L盐酸溶液滴定0.16g纯Na2CO3(M=106g/mol)至甲基橙变色为终点,约需HCl溶液
A.
10mL
B.
20mL
C.
30mL
D.
40mL
【单选题】Sarah is a girl of high _____________, so we never made fun of her shortcomings.
A.
self-concern
B.
self-esteem
C.
self-control
D.
self-devotion
【简答题】写出下列单词所缺的字母或字母组合,并在括号内填入对应图片的序号。 A. B. C. D. 1. re_d 2. w TV         3. p f 4. do (     )                           (     )                           (     )                           (     )
【单选题】水准测量的误差来源大致可分为仪器误差、观测误差和外界条件的影响三个部分。其中仪器误差中,影响最大的是( )。
A.
十字丝不垂直
B.
圆水准器轴线与仪器竖轴不平行
C.
仪器使用年限太长
D.
水准管轴不平行于视准轴的误差
【多选题】水准测量的误差来源是
A.
计算误差
B.
仪器误差
C.
观测误差
D.
外界环境的影响
E.
测量顺序误差
【单选题】Why is Sarah so mean to Janice? The only thing I can think of is that she’s jealous. Jealousy is what’s making her mean.
A.
Inductive
B.
Deductive
【单选题】用0.1mol/L盐酸溶液滴定0.16g纯Na2CO3(M=106g/mol)至甲基橙变色为终点,约需HCl溶液
A.
10mL
B.
20m
C.
30mL
D.
40mL
【多选题】水准测量的误差来源是()
A.
仪器误差
B.
水准尺误差
C.
观测误差
D.
天气误差
【简答题】阅读短文,判断句子正误 I'm Amy. I'm tall. This is my bedroom. My ball is near the wall. My toy car is on my card. Sarah is my good friend. She is not so tall. It's warm outside today. Sarah and I go to school ar...
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