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【判断题】
人民行使国家权力的机关是全国人民代表大会和地方各级人民政府。()
A.
正确
B.
错误
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【单选题】Doing physical exercise _______ the risk of heart disease.
A.
lessens
B.
increases
C.
brings
D.
changes
【简答题】Why do human beings still risk their lives under ground and doing one of the dirtiest and most erous jobs in the world? It is an increasingly urgent question, given the recent mining accidents in ...
【简答题】Why do human beings still risk their lives under ground and doing one of the dirtiest and most erous jobs in the world?It’s an increasingly urgent question,given the recent high­profile(引人注目的) min...
【简答题】risk_____(to do/doing)
【多选题】变压器按照绕组形式分有(  )。
A.
双绕组变压器
B.
三绕组变压器
C.
自耦变压器
【简答题】Doing nothing does not eliminate risk.
【单选题】What will Bob mostly be doing on his trip to St. Lucia?
A.
Reading and scuba diving.
B.
Scuba diving and motocycling with Gloria.
C.
Accompanying Gloria on shopping and dancing.
D.
Doing whatever pleases Gloria.
【判断题】同周期非金属氢化物的热稳定性、还原性从左到右依次增强。
A.
正确
B.
错误
【单选题】在原理图设计图样上被选中元件周围,有一个( )色矩形框。
A.
黄色
B.
蓝色
C.
红色
D.
紫色
【单选题】物理实验中累加法的作用是
A.
求平均值
B.
相互抵消
C.
运用累加法将微小量的作用效果体现出来
D.
放大被测量大小
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