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【判断题】
互相平衡的两个力对于同一点之矩的代数和为零。A.
正确
B.
错误
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【简答题】The “American sleep debt” (Line 1, Para. 3) is the result of ________. A) the traditional misconception the Americans have about sleep B) the new sleep policy of the Clinton Administration C) the rapi...
【简答题】The phrase “puts it down to” (Line 1, Para. 3) is closest in meaning to “________”. A) attributes it to B) finds it a reason for C) sums it up as D) compares it to
【简答题】The word “pinpoint” (Para. 1, Line 3) basically means ________. A) appreciate B) obtain C) interpret D) identify
【单选题】若一个类的构造函数为Node(inta,intb){x=a;y=x*b;}，则执行语句Nodex(5,6);后，对象x的成员x和y的值分别是()。
A.
5和6
B.
6和5
C.
30和5
D.
5和30
【单选题】The word 'it' (Line 3, Para. 1 ) refers to ______.
A.
pipeline
B.
ocean
C.
state
D.
village
【单选题】The word 'submissiveness' in Para. 1, sentence 3 is closest in meaning to______.
A.
servitude
B.
docility
C.
sublimity
D.
subordination
【简答题】假设类X的对象x是类Y的成员对象,则“Y Obj”语句执行时,先调用类___的构造函数。
【简答题】假设类X的对象x是类Y的内嵌成员,执行Y y;语句时,系统会自动先调用_______的构造函数,再调用类________构造函数
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