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【单选题】
运行下列程序(华中系统) #1=20; WHILE[#1GE0]DO 1; #1=#1-5; G00X#1Y#1; END 1; M99; 当#1大于等于( )时,执行循环程序,反之结束循环返回主程序。A.
2
B.
3
C.
5
D.
0
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皮皮学刷刷变学霸
举一反三
【单选题】If you undertake this project you are bound to ______ many difficulties.
A.
encounter
B.
face with
C.
overcome
D.
handle
【简答题】There are still many difficulties that must be solved. There are still many difficulties _______________.
【简答题】A．硝酸甘油 B．硝苯地平 C．普萘洛尔 D．胍乙啶 E．洛伐他汀 通过抑制Ca2+内流，对变异性心绞痛宜选择的药物是
【单选题】They() many difficulties during their trip.
A.
encountered
B.
encouraged
C.
embarrassed
D.
endured
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