Environmentalists hold that GM technologies______.
A. are trustworthy when they work
B. are posing a threat to environment
C. have misled scientific reseach
D. can bring benefits to environment
查看答案
It is indicated in the first two paragraphs that US mail delivery______.
A. has been charged at a low price
B. has been processed rather tardily
C. has often failed to be delivered successfully
D. has been handled by too many local facilities
According to Paragraph 5, social norms will grow______.
A. diversified
B. disrupted
C. balanced
D. polarized
It can be inferred from the text that ad-men in 1960s are more happy than office workers today mainly because______.
A. they are free to enjoy simple and spontaneous fun
B. they are empowered to make individual decisions
C. they are not forced to boost creavitivity and productivity
D. they can take a relief to poke fun at their boss
To which of the following statement would Ariely agree？
A bit of deception invites no harm
B. We are unlikely to be truly honest
C. We are driven by economic models
D. People tend to cling to moral codes
微信支付 
支付宝支付