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【单选题】
By mentioning William Gibson, the author intends to______.A.
manifest his contribution to technological progress
B.
prove that cyberspace will definitely pose threats on ordinary people
C.
state that predictions have been made to forecast future on-line crime
D.
declare his victory in the competition with Ray Kurzweil
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举一反三
【单选题】With respect to a decrease in the price of a normal good, the income effect:
A.
and substitution effect both tend to increase consumption of the good
B.
is to decrease consumption of the good, and the substitution effect is to increase consumption of the good
C.
is to increase consumption of the good, and the substitution effect is to decrease consumption of the good
【单选题】The criterion used in IC analysis is______
A.
transformation
B.
conjoining
C.
grouping
D.
substitutability
【单选题】运动方程表示质点的运动规律 , 运动方程的 特点 是
A.
坐标系选定后, 方程的形式是唯一的
B.
绝对的, 与参考系的选择无关
C.
只适用于惯性系
D.
参考系改变, 方程的形式不一定改变
【单选题】The criterion used in IC analysis is______.
A.
ransformation
B.
conjoining
C.
grouping
D.
substitutability
【单选题】How to say “ 请您带好随身物品 ” in English?
A.
Please take good personal luggage.
B.
Make sure you have all your belongs with you.
C.
Please take your belongings.
D.
Please take away your carry bags.
【简答题】置换作业前应制定置换方案，绘制置换流程图，若置换介质的密度大于被置换介质的密度时，应由设备或管道（ ）送入置换介质，由（ ）排出被置换介质，取样点宜在（ ）位置及宜产生死角的部位，确保置换彻底。
【单选题】运动方程表示质点的运动规律，运动方程的特点是
A.
绝对的，与参考系的选择无关
B.
只适用于惯性系
C.
坐标系选定后，方程的形式是唯一的
D.
参考系改变，方程的形式不一定改变
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