【单选题】Which of the following is wrong about quota? Licensing of foreign trade is closely related to quantitative restrictions — quotas — on imports and exports of certain goods. A quota is a limitation in v...
A.
It is a kind of quantitative restrictions on imports and exports of certain goods.
B.
It is a limitation in value or in physical terms.
C.
It is a kind of license for import and export commodities.
D.
It is imposed on import and export of certain goods for a certain period of time.
【简答题】试卷中有一道选择题,共有4个答案可供选择,其中只有1个答案是正确的。任一考生若会解这道题,则一定能选出正确答案;如果不会解这道题,则不妨任选1个答案。设考生会解这道题的概率为0 . 8,求 已知某考生所选答案是正确的,他确实会解这道题的概率?
【单选题】使用下面哪个系统存储过程可以查看视图的定义文本。
【简答题】试卷中有一道选择题,共有 4 个答案可供选择,其中只有一个是正确的,任一考生如果会解这道题,则一定能选取正确答案;如果他不会解这道题,则不妨任选一个答案。设考生会解这道题的概率为 0.8 ,求:( 1 )考生选出正确答案的概率;( 2 )已知某考生所选答案是正确的,则他确实会解这道题的概率。
【判断题】作为喜剧,相声采用第三人称的叙述形式。()
【单选题】设信道采用2DPSK调制,码元速率为300波特,则最大数据速率为( )b/s。
【多选题】、西装是世界上最流行和通行的正统服装,在穿着上正确的做法是( )。
A.
衬衫袖口和领口分别高于和长于西装袖领口1.5-2公分
B.
女士穿西服套裙时,穿长筒丝袜,颜色应与西装颜色相近
【简答题】明明计算一道小数乘法题,错把一个因数5.6看成6.5,结果得数比正确答案多12.6,这道题的正确答案是______.
【单选题】Import tariffs and non-tariff barriers suggest that: a. FDI is a substitute for exporting. b. exporting is preferable to FDI. c. exporting is preferable to licensing local firms in the foreign markets...