

i=1: j=63: n=0
Do While i<=j
M=(i+j)\2
If Key=a(m) Then
Exit Do
Elself Key<a(m) Then
J=m-1:n=n-1
Else
I=m+1:n=n+1
End if
Loop
数组元素a(1)到a(63)存放着递增的数据。若执行该程序段后n的值为6,则下列表达式成立的是( )
①用于改良酸性土壤
②密度最小的气体,最清洁的高能燃料
③最简单的有机物
④人体胃液的成分
⑤用于玻璃、造纸、纺织、洗涤剂
⑥用于制冷剂,人工降雨.
The London Eye remains temporarily closed but in line with the Government's roadmap out of lockdown we plan to reopen from 17th May. You can pre-book now. Further information can be found here.
What to Expect
The London Eye soars 443 fee into the sky and views stretching25 miles every direction. Since opening i 2000, it has been used as a backdrop in countless films and is loved by Britons and visitors alike. This is the UK most popular visitor attraction, visited by over 3.5 million people a year.
Each London Eye capsule holds up to 25 passengers comfortably. All capsules are fully air-conditioned an rotate (旋转) on a special device designed to keep everyone upright as the wheel makes a slow but progressive rotation. The full rotation lasts 30 minutes of an ever changing view of this dynamic city.
Opening Times
■ September to May 10:00am—8:00pm daily
■ June 10:00am—9:00pm daily
■ July 10:00am—9:30pm daily
■ August 10:00am--8:30pm daily
■ Not open on Christmas Day or during maintenance period.
Ticket Prices
Booking line
■ 9:00am to 5:00pm Monday to Sunday
■ Telephone: 0870 5000 600
且
,
,
,且
,
,且
,
平面ABCD ,
.
;

①穆罕默德创立伊斯兰教
②阿拉伯半岛基本统一
③穆罕默德在麦地那建立政权
④建立起地跨亚非欧的大帝国

—Oh, there is only one copy left in our library. Do you want to borrow ?

