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【单选题】
单选题: 2 、转向系的角传动比越大,则 ( ) 。
A.
操纵越轻便,灵敏度越高
B.
操纵越轻便,灵敏度越低
C.
操纵越不轻便,灵敏度越高
D.
操纵越不轻便,灵敏度越低
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【单选题】使用高级语言编写的源程序需要经过__翻译成目标程序后,计算机才能执行。
A.
汇编程序
B.
解释程序
C.
编译程序
D.
调试程序
【单选题】It is often more economical to supply such power from ________.
A.
transistor
B.
transformer
C.
capacitors
【简答题】用倒装句 改写下列句子。 1. A “ soft-serve” creamy dessert comes out, to be eaten right away. 【 2018 全国 II.B 】 2. As Cancy's success grows, Moore's credibility as a young enterpreneur also grows. 【 2019 北京卷 B 】...
【单选题】下面关于凸、凹透镜的说法,错误的是
A.
凸透镜可将太阳光聚焦于一点
B.
凸透镜可将点光源变成为平行光
C.
凹透镜常用于近视眼镜中
D.
成像公式 中,p、p’、f总是取正值
【判断题】强行分拆 自然垄断是不利于效率的 。
A.
正确
B.
错误
【判断题】强行分拆自然垄断是不利于效率的
A.
正确
B.
错误
【简答题】Rewrite the following sentences using inverted sentences. 1. A “ soft-serve” creamy dessert comes out, to be eaten right away. 【 2018 全国 II.B 】 2. As Cancy's success grows, Moore's credibility as a ...
【简答题】4. It is economical to choose to transport some products for only 500 km.A. road transport B. rail transport C. air transport D. pipeline transport
【单选题】It is more economical to use (), because of their greater strength and longer useful lives.正确答案A
A.
nylon ropes
B.
manila ropes
C.
sisal ropes
D.
wooden ropes
【单选题】It is economical to choose to transport some products for only 500 km.
A.
road transport
B.
rail transport
C.
air transport
D.
pipeline transport
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