Which of the following is NOT true according to the passage？
A. The EEC spends one billion pounds on imported energy each year.
B. At the present level of research spending it is difficult to make any significant progress in the provision of energy from the Sun.
C. The desired breakthrough could be obtained by the end of the next decade if investment were increased.
D. The total yearly spending of the EEC on solar energy research amounted to almost 6 million
查看答案
城市的地理要素不包括()。
A. 位置及距离
B. 结构
C. 时间
D. 经济
What makes it so hard for the face-recognition systems to work effectively？
A. The computers are not so advanced
B. The faceprints of the mugshots fed in the computers are never identical with those of real persons.
C. It is very hard for the operators to learn to control the system.
D. People seldom look straight at the camera.
Kimberly Rugh Talked about her son's birthday party_______.
A. with her friends
B. with her colleagues
C. in the classroom
D. in an E-mail massage sent to her students
目前城市社会空间结构的主要研究方法有()。
A. 社会区分析和景观分析
B. 社会区分析和因子生态分析方法
C. 景观分析法和相互作用法
D. 社会区分析和相互作用法
微信支付 
支付宝支付