皮皮学，免费搜题
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搜题
【单选题】
（）是当今时代发展的重要趋势。A.
经济区域化
B.
提高国家经济独立性
C.
经济双边化
D.
经济全球化
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】Tommy’s parents looked _______ when they saw his excellent exam results.
A.
happy
B.
happier
C.
happiness
D.
unhappy
【单选题】Tom＿＿＿＿＿＿＿show his exam results to his parents.
A.
dare not
B.
dared
C.
dare to
D.
dares not to
【单选题】At the ______ exam results, his mother got ______ with him. [ ]
A.
discouraging; discouraging
B.
discouraged; discouraging
C.
discouraging; discouraged
D.
discouraged; discouraged
【单选题】Steven’s exam results put him ________ the top ten students in his grade.
A.
among
B.
between
C.
in
D.
at
【单选题】John ______ he could improve his exam results, but he did not have enough time to study.
A.
knows how
B.
knows that
C.
knew how
D.
knew that
【单选题】John ______ be could improve his exam results, but he did not have enough time to study.
A.
knows how
B.
knows that
C.
knew how
D.
knew that
【单选题】精密水准测量时,要求尽量使前后视距相等,是为了( )误差对测量的影响。
A.
消除或减弱水准管轴不垂直于仪器旋转轴
B.
消除或减弱仪器升沉
C.
消除或减弱仪器水准管轴不平行于视准轴
D.
消除或减弱标尺分划
【简答题】钢制齿轮，由于渗碳淬火后热处理变形大，一般需经过______加工，否则不能保证齿轮精度。
【单选题】在进行精密水准测量时,会受到各种误差的影响。为了减弱( )对观测高差的影响,应使前、后视距尽量相等 ,并使视线离地面有足够的高度。
A.
大气垂直折光的影响
B.
仪器和水准标尺垂直位移的影响
C.
温度变化对 i角误差的影响
D.
i角误差的影响
相关题目：
【单选题】Tom＿＿＿＿＿＿＿show his exam results to his parents.
A.
dare not
B.
dared
C.
dare to
D.
dares not to