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【多选题】
专四完形填空新题型模拟题( 3 )
A.
forecast
B.
flexible
C.
neutrally
D.
preference
E.
detach
F.
bound
G.
implement
H.
consequence
I.
qualified
J.
dismissing K. result L. occupying M. urgently N . skeptical O . response In the second half of the twentieth century, many countries of the South began to send students to the industrialized countries for further education. They (1______) needed supplies of highly trained personnel to (2________) a concept of development based on modernization. But many of these students decided to stay on in the developed countries when they had finished their training. In the 1960s, some Latin American countries tried to solve this problem by setting up special "return" programs to encourage their professionals to come back home. These programs received support from international bodies such as the International Organization for Migration, which in 1974enabled over 1,600 ( 3_______ ) scientists and technicians to return to Latin America. In the 1980s and 1990s, "temporary return" programs were set up in order to make the best use of trained personnel (4______) strategic positions in the developed countries. This gave rise to the United Nations Development Program's Transfer of Knowledge through Expatriate Nationals, which encourages technicians and scientists to work in their own countries for short periods. But the brain drain from these countries may well increase in (5______) to the new laws of the international market in knowledge. Recent studies (6_______) that the most developed countries are going to need more and more highly qualified professionals around twice as many as their educational systems will be able to produce, or so it is thought. As a (7________) there is an urgent need for developing countries which send students abroad to give (8______) to fields where they need competent people to give muscle to their own institutions, instead of encouraging the training of people who may not come back because there are no professional outlets for them. And the countries of the South must not be content with institutional structures that simply take back professionals sent abroad; they must introduce (9________) administrative procedures to encourage them to return. If they do not do this, the brain drain is (10_______) to continue.
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参考答案:
举一反三
【单选题】采暖系统的排气装置应设在采暖系统的( )。
A.
干管上
B.
供水立管上
C.
回水立管上
D.
系统最高点
【单选题】个别劳动的社会性质,是通过()。
A.
商品的交换来体现的
B.
商品的分配过程体现的
C.
商品的有用性来体现的
D.
商品的消费过程体现的
【单选题】汽车空调的总开关为( )键
A.
AC
B.
BC
C.
DC
D.
CC
【单选题】室内采暖系统均应设排气装置,下列哪一项是错误的
A.
蒸汽采暖系统散热器的1/3高处排气
B.
采用干式回水的蒸汽采暖系统在凝结水管末端排气
C.
采用湿式回水的蒸汽采暖系统在散热器和蒸汽干管末端排气
D.
不论用于干、湿回水的蒸汽采暖系统,均应在系统的最高点排气
【单选题】( )键为空调开关。
A.
A/D
B.
B/C
C.
A/C
D.
A/T
【单选题】下列说法中不正确的为( )。
A.
多层建筑的热水采暖系统中,每根立管和分支管道的始末段均应装设有供调节及检修、泄水用的阀门
B.
多层建筑的热水采暖系统中,只需在分支管道的始末段装设供调节及检修、泄水用的阀门
C.
高层建筑的热水采暖系统中,每根立管和分支管道的始末段均应装没有供调节及检修、泄水用的阀门
D.
热水和蒸汽采暖系统,应根据不同情况,装设必要的排气、泄水、排污和疏水装置
【单选题】在上分式热水采暖系统中,下列系统排气措施中哪几项是正确的
A.
当膨胀水箱连在供水干管上时,可不单独设排气装置
B.
水平供水干管宜顺水流方向上坡敷设,且坡度不小于0.003
C.
当水平供水干管无坡度敷设时,管中水流速不得小于0.25m/s
D.
集气罐安装高度应高于膨胀水箱
【单选题】如果有以下的类的声明: class A { int a; }; 则类A的成员a是()。
A.
公有数据成员
B.
私有数据成员
C.
公有成员函数
D.
私有成员函数
【单选题】当热水采暖系统在运行过程中,必须迅速有效地排除系统中的空气时,排气装置( )。
A.
应设置在系统管路中的各个高点
B.
仅设置在水平干管的最高点
C.
应设置在水平干管的最高点及每组散热器上(上供下回的系统形式)
D.
仅设置在每组散热器上(下供下回的系统形式)
【单选题】换向磁极的作用式(   )
A.
建立主磁场
B.
改善直流电机换向,不产生火花
C.
改变电流的方向
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