【单选题】Why is more earth's heat blocked from escaping with more carbon dioxide in the atmosphere?
A.
Carbon dioxide prevents the sun's energy from going back into space.
B.
Carbon dioxide radiates the sun's energy onto the earth.
C.
Carbon dioxide produces more heat in the atmosphere.
D.
Carbon dioxide takes in the sun's energy at infra-red wavelengths.
【简答题】亚洲与北美洲的分界线是______,亚洲与非洲的分界线是______.
【单选题】I realize she can be very troublesome, but ______I think you should apologize for being so angry with her.
【单选题】下列关于我国航空旅游交通中航班号的表述不对的是。
B.
国内航班的航班号中第4位数字为奇数,表示该航班为去程航班
D.
中国国际航班的航班号中最后一个数字为奇数,表示回程航班
【单选题】Why have Carserve's teams become more effective?
A.
Distance has forced them to become more organised.
B.
They are expected to make decisions quickly.
C.
Their meetings have become more frequent.
【单选题】下列关于我国航班旅游交通中航班号的表述不正确的是
B.
国内航班的航班号中第4位数字为奇数,表示该航班为去程航班
D.
中国国际航班的航班号中最后一个数字为奇数,表示回程航班
【单选题】下列关于我国航空旅游交通中航班号的表述不正确的是( )。
B.
国内航班的航班号中第4位数字为奇数,表示该航班为去程航班
D.
中国国际航班的航班号中最后一个数字为奇数,表示回程航班
【简答题】国内航班编号是由航空公司的()字英文代码和()位阿拉伯数字组成。第一位数字是执行该航班任务的()的 数字代码 ;第二位数字表示该航班终点站所属的管理局或航空公司()的数字代码;第三、四位数字是该航班的(),第四位数字若为单数表示(),双数则为回程航班。
【简答题】The more accessible a company’s services are, the more business it will do. Why are the same ___1___ not applied when it comes to Internet websites then? A Hong Kong study has found that the local sit...
【简答题】亚洲与北美洲的分界线是__________,亚洲与非洲的分界线是__________。