码分多址是指以不同的（）进制码来区分不同的用户的多址方式，这种多址方式是相对于FDM

Complete the passage by choosing the proper words in the box.

Each word can only be used once. Note that there is one word more than you need.

A．political

B．supported

C．gossip

D．set E. contemporaryF. literary     G. alive          H. significance    I. enterprises    J. figures

It is impossible to imagine Paris without its cafés. The city has some 12,000 cafés varying in size, grandeur, and  41  . The cafés are like an extension of the French living room, a place to start and end the day, to  __42_   and debate.

When did the cafés in France start? The oldest café in Paris is Le Procope. It was opened in 1686 by Francesco Procopio dei Coltelli, the man who turned France into a coffee-drinking society. Le Procope attracted Paris’s political and  43  elite, and in this way played an important part among the upper class. By the end of the 18th century, all of Paris was intoxicated with （沉醉在）coffee and the city   44    some 700 cafés. These were like all-male clubs, with many functioning as centers of  45   life and discussion. By the 1840s the number of cafés had grown to 3,000. The men who gathered in these cafés and  46   the theme of the times included journalists, playwrights and writers. Around the turn of the 20th century, the sidewalk cafés became the meeting halls for artists and literary   47  .

Nowadays in Paris cafés still play the role of picture windows for observing   48 life. The artists gathered at the café may not be as great as those of the past, but faces worth watching are just the same. Linger a bit and you will see that the Parisian stereotypes are still_49    and well. You’ll see the old men in navy berets; ultra-thin, bronzed women with hair dyed bright orange; and schoolchildren sharing an afternoon chocolate with their mothers. The café in Paris has always been a place for seeing and being seen.

去年4月，我国遭遇到了近年来最为强劲的一次特大沙尘暴灾害，损失达65亿美元。沙尘暴天气的发生一般需要三个条件：有丰富的沙尘源；有强风作用；大气层结构不稳定，即在沙地及无植被的裸露地表，空气容易受热，把刮起的沙尘吹起。这说明，气候干旱引起草原退化、沙化，也就必然会出现沙尘暴这种“天灾”。
下面哪项如果正确．最能反驳上面的论述？（）

A．在呼伦贝尔退化草原的对面，蒙古国的草高度在1米左右，那里有上万只黄羊在活动。

B．在中蒙10公里宽的边境线上，草依然保留一年以前的高度，但那是无人区。

C．过度放牧所形成的沙漠化土地占到了29.4%。

D．采取大规模的休养生息方式来缓解人类生产对生态环境的压力。

E．环保专家说，我国内蒙地区沙尘暴现象发生的主要是由于超载放牧造成的。

-- How long ______ you __________England , Sue ?

-- Since two years ago.

A．have, been to

B．have , gone to

C．have , been in

D．have , moved to

（）账户贷方发生额，反映固定资产因磨损而减少的价值。

A.制造费用

B.累计折旧

C.在建工程

D.固定资产

优美的站姿要求是（）。

A.直立

B.平稳

C.肩平

D.收腹