3.由0,1,2,3,4這五個(gè)數(shù)組成的無(wú)重復(fù)數(shù)字的四位偶數(shù),按從小到大的順序排成一個(gè)數(shù)列,則= 2014 。
2.如果一條直線和一個(gè)平面垂直,則稱此直線與平面構(gòu)成一個(gè)“正交線面對(duì)”,在一個(gè)正方體中,由兩個(gè)頂點(diǎn)確定的直線與含有四個(gè)頂點(diǎn)的平面構(gòu)成“正交線面對(duì)”的概率為 3/28 。
1.值域?yàn)?sub>,其對(duì)應(yīng)關(guān)系為的函數(shù)個(gè)數(shù)為 27
15、The population of China over 1,200 million and eighty percent of the population peasants.
A、is;are B、are;is C、is;is D、are;are
1-----5BBBDA 6----10AACAC 11----15CDACC
14、A series of debates between the major candidates scheduled for the Labor Day weekend last week.
A、is B、are C、was D、were
13、Five multiplied by two ten.
A、is equal B、equals C、equal with D、equal to
12、 neither you nor your brother interested in swimming?
A、Are B、Is C、Do D、Does
11、It’s not you but Mr Anderson who to answer the incident.
A、are;for B、were;to C、is;for D、was;back
10、 of the land in that district covered with trees and grass.
A、Two fifth;is B、Two fifth;are C、Two fifths;is D、Two fifths;are
9、Up to now,the majority of the undergraduates enrolled for this selected course.
A、has been B、have C、had been D、would have been
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