如图所示,在水平力F的作用下,重为G的物体静止在竖直墙壁上,物体与墙之间的动摩擦

题型:选择题

问题:

如图所示,在水平力F的作用下,重为G的物体静止在竖直墙壁上,物体与墙之间的动摩擦因数为μ,物体所受摩擦力大小为:(    )

A.μF

B.μ(F+G)

C.μ(F-G)

D.G

考点:静摩擦力滑动摩擦力、动摩擦因数
题型:选择题

出版物发行对出版物生产的作用,可归纳为( ) 等。

A.为生产者缩短出版物买卖时间

B.引导出版物生产技术的创新

C.影响出版物生产者的经营效益

D.缩短出版物生产的周期

E.促进出版物生产规模的扩大

题型:选择题

”医乃仁术”是指()

A.道德是医学活动中的一般现象

B.道德是医学的本质特征

C.道德是医学的个别性质

D.道德是个别医务人员的追求

E.道德是医学的非本质要求

题型:选择题

Bananas, apples and oranges are all ____________.

A. fruits                 B. vegetables             C. drinks

题型:选择题

下列关于缓控释制剂释药原理和方法的叙述错误的是()

A.对于受溶出控制的药物,溶出速度慢的药物显示出缓释性质

B.包衣、制成微囊都是利用扩散原理达到缓释作用的方法

C.生物溶蚀型骨架系统释药机制比较复杂

D.利用渗透压原理制成一类制剂是渗透泵控释制剂

E.现有的渗透泵片都是单室的

题型:选择题

Some of the concerns surrounding Turkey’s application to join the European Union, to be (1) on by the EU’s Council of Ministers on December 17th, are economic--in particular, the country’s relative poverty. Its GDP per head is less than a third of the average for the 15 pre-2004 members of the EU. (2) it is not far off that of Latvia--one of the ten new members which (3) on May 1st 2004, and it is much the same as (4) of two countries, Bulgaria and Romania, which this week concluded (5) talks with the EU that could make them full members on January 1st 2007.

(6) , the country’s recent economic progress has been, according to Donald Johnston, the secretary-general of the OECD, stunning. GDP in the second quarter of the year was 13.4% higher than a year earlier, a (7) of growth that no EU country comes close to (8) . Turkey’s (9) rate has just fallen into single figures for the first time since 1972, and this week the country (10) agreement with the IMF on a new three-year, $10 billion economic program that will help Turkey (11) inflation toward European levels, and enhance the economy’s resilience.

Resilience has not historically been the country’s economic p point. (12) , throughout the 1990s growth oscillated like an electrocardiogram (13) a violent heart attack. This (14) has been one of the main reasons why the country has failed dismally to attract much-needed foreign direct investment. Its stock of such investment is lower now than it was in the 1980s, and annual (15) have scarcely ever reached $1 billion.

One deterrent to foreign investors is due to (16) on January 1st 2005. On that day, Turkey will take away the right of virtually every one of its citizens to call themselves a millionaire. Six zeros will be removed from the face value of the lira (里拉,土耳其货币单位); one unit of the local (17) will henceforth be worth what 1 million are now--ie, about £ 0.53 (0.53 欧元). Goods will have to be (18) in both the new and old lira for the whole of the year, (19) foreign bankers and (20) can begin to look forward to a time in Turkey when they will no longer have to juggle mentally with indeterminate strings of zeros.

10()

A.claimed

B.reached

C.concluded

D.achieved

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