单项选择题

A．The experiment will take a long time.
B．The students should count their time in the lab.
C．Dr. Walters teaches biology in the afternoon.
D．Biology lab is open one hour every afternoon.
<上一题 目录 下一题>
热门 试题

单项选择题
By saying With Mars the scientific stakes are arguably higher than they have ever been ( Line 1, Para. 4 ), the author means that ___________.
A．with Mars the risks involved are much greater than any previous space ventures
B．in the case of Mars, the rewards of scientific exploration can be very high
C．in the case of Mars, much more research funds are needed than ever before
D．with Mars scientists argue, the fundamental interests of science are at issue
单项选择题
According to Benner, biomolecule’’s structure and history are helpful for its understanding.
A．Y
B．N
C．NG
相关试题