s=‘I want to change’，s[-4：]的值是（）
—____________________?—I want to be a scientist and it ‟s also my childhood dream.A. What ‟s your jobB. What ‟re you doingC. Are you a scientistD. What ‟s your dream for the future
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已知程序段：s＝0For i＝1 To 10 Step 2s＝s＋1i＝i*2Next i当循环结束后，变量i、s的值各为A．10,4B．11,3C．22,3D．16,4
听力原文：M: Hello, can I do anything for you?W: Yes, I need to change foreign moneys. Could you help me change some Canadian dollars in traveler's cheques issued by Royal Bank of Canada?Q: What kind of foreign currencies does the speaker want to exchange?(17)A．Canadian dollars.B．British Pounds.C．U.S. dollars.D．H.K. dollars.
—Here’s my car.Do you want a ride?—()A.That’s possibleB.Not at allC.That’s very kind of you.ThanksD.I think so
执行下面的程序段后，i的值为______，s的值为 ______。s=2For i=2 To 9 Step 0.8s=s +1Next i
" It' s cold in this room.” “_______ the heating?"A、Do you want to turnB、Turn onC、Shall I turn onD、Will I turn on
已知程序段： S=0 FOR I = 1 T() 10 STEP 2 S=S+1 I=I.2 NEXT I当循环结束后，变量I和s的值分别为( )。A．10和2B．11和5C．16和4D．22和3
