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【单选题】
下面程序计算并输出的是? Private Sub Command1_Click() a=10 s=0 Do s=s+a*a*a a=a-1 Loop Until a<=0 Print s End SubA.
1 3 +2 3 +3 3 +...+10 3 的值
B.
10!+..+3!+2!+1! 的值
C.
(1+2+3+... 10) 3 的值
D.
10 个 10 3 个的和
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【单选题】The burning of the fuel adds more heat to the air charge, causing it to expand and force the engine piston to do work on the crankshaftWhat does “it” mean in this sentence?
A.
the burning
B.
the fuel
C.
the air charge
D.
the engine piston
【简答题】Heat causes the (expand) of gases.
【简答题】Heat (expand)most metals.
【单选题】— How long do you want me to heat the oil? — Heat it till it _____ to smoke. [ ]
A.
would begin
B.
begins
C.
will begin
D.
began
【简答题】If a metal ______(heat), it will expand.
【单选题】All gases and most liquids and solids expand when heated, but they do not expand equally.
A.
simultaneously
B.
randomly
C.
accurately
D.
uniformly
【单选题】The ideal piston material would not ______. light and strong, conduct heat well, expand only slight when heated, resist wear, and be low in cost.
A.
be light and strong
B.
conduct heat well
C.
expand only slight when heated
D.
be high in cost
【单选题】All gases and most liquids and solids expand when ______ .
A.
heated
B.
heating
C.
being heating
D.
heat
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