What can I do _____ you, Tom? [ ]
A. for
B. in
C. to
D. at
A
下列程序段的执行结果为 ______。 N=10 For K=N To 1 Step -1 X=Sqr(K) X=X-2 Next K Print X-2
A．-3
B．-1
C．1
D．1.16227765
霍乱和副霍乱大便呈
A．脓血便B．果酱样便C．米泔水样便D．柏油样便E．白陶土样便
