下列循环语句中,循环次数最少的是______。 A: a = 5: B: = 7 Do While a < b a = a + 1 LoopB. a = 5: b = 7 Do Until a < b a = a + 1 Loop C: a = 5: b = 7 Do a = a + 1 Loop While a < b D: a = 5: b = 7 Do a = a + 1 Loop Until a < b

What has the man asked the woman to do7 A: to open new accounts at Wells Fargo B: to tell him the account numbers C: to help him find paperwork

找出并输出自然数m至n之间的能被7整除的所有数，其中m<n。 A: ga[m_,n_]:=Block[{},Do[If[Mod[k,7]==0,Print[k]],{k,m,n}]] B: gb[m_,n_]:= Module[{},Do[If[Mod[k,7]==0,Print[k]];{k,m,n}]] C: gc[m_,n_]:=Block[{},Do[If[Mod[k,7]==0,Print[k]],{k,m,n}]] D: gd[m_,n_]:= Module[{},Do[If[Mod[k,7]==0;Print[k]];{k,m,n}]]

下面程序的运行结果是： DO M=1，5，3 DO N=M，3 K=M+N END DO ENDDO PRINT*,K END A: 8 B: 4 C: 7 D: 10

下列循环语句中，循环次数最少的是（ ）。 A: a = 5: b = 7<br/>Do While a

中国大学MOOC:"Do the students have communicative desires in Activity Two?（答题情境同第7题）";

You have breakfast at 7,( )? A: don’t you B: haven’t you C: have you D: do you

下列程序段运行后，变量b的值是 b＝1 Do Until b＞7 b＝b*(b＋1) Loop A: 7 B: 39 C: 42 D: 1

中国大学MOOC: As what the author present in unit 7, the three independent snapshots do not fully help to illustrate the influence of the terrorist attack.

中国大学MOOC:"Do the students use various forms of language to communicate with each other?（答题情境同第7题）";