A．Detect the smoke quickly.B．Take quick action.C．Close the tunnel.D．Install a Robogat.
A. Detect the smoke quickly.
B. Take quick action.
Close the tunnel.
D. Install a Robogat.
查看答案
In the late 1970s, the accepted medical theory was that ulcers were caused by stress, smoking, and alcohol,
A. Y
B. N
C. NG
Chinese scientists will win the Nobel Prize soon.
A. Y
B. N
C. NG
By saying "more challenging" in the last paragraph the author means that undersea exploration is ______
A. more interesting
B. more attractive
C. more demanding
D. more dangerous
Which of the following describes the author's probable attitude toward Sir Christopher Wren's plans？
A. He feels it would have been a mistake to rebuild London according to Wren's designs.
B. He feels it was a mistake for London not to have been rebuilt according to Wren's designs.
C. He feels that someone other than Wren should have been chosen to plan the rebuilding.
D. He feels that Wren's ideas had much more influence than is commonly acknowledged.
微信支付 
支付宝支付