皮皮学，免费搜题
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搜题
【单选题】
食物特殊动力作用最高的是A.
糖类
B.
脂类
C.
蛋白质
D.
维生素
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反馈参考答案：
举一反三
【简答题】Each number shown below follows a certain rule. Figure out the rule and work out the missing number:
【单选题】The counter shown below is an example of
A.
an asynchronous counter
B.
a BCD counter
C.
a synchronous counter
D.
none of the above
【单选题】199 Which method shown below is acceptable for reducing cost or shortening the schedule?
A.
'Crashing'
B.
Changing scope.
C.
Performing activities in parallel rather than in series.
D.
All of the above.
E.
A and C only
【简答题】下列关于鹤虱与南鹤虱的表述正确的是( )。A.鹤虱是伞形科植物天名精的种子B.鹤虱是菊科植物天名精的果实C.南鹤虱是伞形科植物野胡萝卜的种子D.南鹤虱是菊科植物野胡萝卜的果实A. 1 B. 1 C. 1 D. 1
【单选题】What operation on relations R and S produces the relation shown below? ( ){tuple | tuple∈R∧tuple∈S}
A.
union
B.
difference
C.
intersection
D.
division
【单选题】Michelle’s father, as well as her mother, in New York for a few more days.
A.
suggest her to stay
B.
suggests she must stay
C.
suggest her staying
D.
suggests she stay
【单选题】The symbol shown below is a(n) ________, and the output will be ________ for the input shown.
A.
buffer, not A
B.
inverter, 1
C.
inverter, A'
D.
buffer, 1
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