Which statement is the main idea of the second paragraph?Which statement is the main idea of paragraph 2?
A. Human activities producing more wealth leads to global warming.
B. Some vested interest groups don't want to stop such human activities.
C. Prospects look bleak as no real efforts are made.
查看答案
Which statement is the main idea of the third paragraph?Which statement is the main idea of paragraph 3?
A. Temperature will continue to rise.
B. There will be great change in our environment.
C. Future generations will live a different life.
购物场所主要有哪几个类别构成？
A. 百货商店(Departmen tstores)
B. 大型体闲广场(Leisureplazas)
C. 购物广场(Shoppingmalls)
D. 商业街(Sowntown）
商业空间是指各种商事主体的营业活动为主的行业。
A. 对
B. 错
以下有关对数据的解释错误的是（）。
A. 是信息的载体
B. 信息的表现形式
C. 数据是0～9组成的符号序列
D. 数据与信息在概念上是有区别的
微信支付 
支付宝支付