By mentioning the Spirit rover on January 3 the author means ______ .
A. It's ridiculous to launch robots to space rather than men
B. Men can solve unexpected problems better than robots
C. Men are the right stuff that should be launched to space
D. We should send men and robots to space for efficient work
查看答案
Which one is NOT the factor leading to the public debate？
A. The high expense of the manned space program.
B. The inefficient work of Jet Propulsion Laboratory.
C. The heavy casualties in the space shuffle wreckage.
D. The announcement of a long-term space exploration.
By saying "Design is key--attractive, holdable, showable design." Quinlan means ______ .
A. most products' designs are not successful
B. there should be more female executives
C. women like the face-saving products
D. the manufactures should focus on design
Which of the following can best serve as the title of the passage？
A. Launching the right stuff.
Better space explorer-robot.
C. The great space exploration.
D. Prospect of space exploration.
From the passage we can infer that ______ .
A. scientists will pay for the eggs beyond the necessary expense
B. congress will allow broader use of federal funds for the research
C. Hwang's problem will grow into a wave of political contradiction
D. Hwang's problem will probably slow the stem cell progress
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