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【单选题】
What is the finding of the Canadian researchers?A.
Encouraging positive thinking many do more harm than good.
B.
The power of positive thinking is limited.
C.
Unhappy people cannot think positively.
D.
There can be no simple therapy for psychological problems.
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【单选题】慢性心功能不全患者，50岁，使用洋地黄类药物治疗，当病人心率低于多少时应考虑停药
A.
90次/分
B.
80次/分
C.
70次/分
D.
60次/分
E.
50次/分
【简答题】Translate the following C code to MIPS. Assume that the variables f, g, h, i, and j are assigned to registers $s0, $s1, $s2, $s3, and $s4, respectively. Assume that the base address of the arrays A an...
【单选题】在SQL的下列语句中，能够实现参照完整性约束的语句是（ ）
A.
CASCADE
B.
PRIMARY KEY
C.
CHECK
D.
FOREIGN KEY和REFERENCES
【简答题】It is natural to assume that as the Sun grows older, and uses up its hydrogen fuel-which it is now doing at the spanking rate of half a billion tons a second-it will become steadily colder and redder.
【单选题】Running a School Book Stall 开办学校书店 I assume that the desirability of a school book stall needs no urging. Many schools sell food and toys. If we do not sell books it is surely strange? Many schools se...
A.
because children always choose the wrong books
B.
children find it difficult to choose books in a supermarket
C.
because children only like strange books
D.
children find it difficult to choose the fight books
【简答题】Assume that security returns are generated by the single-index model, R i =α i + β i R M + e i where R i is the excess return for security i and R M is the market’s excess return. The risk-free rate i...
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