题目内容

DO WHILE.T.
WAIT”请输入y/n”T0 YN
IF UPPER(YN)$amp; 【】
ELSE
【】
ENDIF
ENDDO

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设随机变量 x与y相互独立，且 X～N（0，1)，Y～N（0，4)，则D（2X+Y)=_______.

在Excel2003单元格中，输入“=3＞=5”，显示结果为

A. TRUE
B. 3=5

A小畦灌＞长畦分段灌＞隔沟灌
B小畦灌＞隔沟灌＞长畦分段灌
C长畦分段灌＞小畦灌＞隔沟灌
D长畦分段灌＞隔沟灌＞小畦灌

I was born in one of the the most interesting cities in Malaysia. It has a rich, colourful history and many parts of the city have hardly changed at 【C1】 during the last five centuries. However, nowadays, it is 【C2】 longer the trade centre that it once 【C3】 it is difficult to imagine that at one time its harbour 【C4】 to be visited by over 2,000 ships a week, and that the huge warehouses along the quayside would have 【C5】 full of spices and silks, jewels and tea.
The old city centre is small, which 【C6】 it very easy to explore 【C7】 foot. A river neatly divides the town, 【C8】 only physically but in spirit too. On one side, you find a 【C9】 many grand houses, but immediately you cross the river, you find【C10】 in ancient Chinatown, which is where you really 【C11】 a step back into the past.
From the earliest times, this has been the heart of the city and it's fun to wander through the colourful, noisy backstreets. As 【C12】 as the streets that sell a wide 【C13】 of clothes and shoes, there are also streets famous 【C14】 high quality antiques. Unfortunately, most of the bargains disappeared many years ago. However, 【C15】 you look around carefully, you could still come across an interesting souvenir.
【C1】