单项选择题

What is the "seven minutes of terror" according to NASA engineers


A. Rover’s signals will delay seven minutes to travel to Earth from Mars.
B. Engineers won’t be able to control or witness the Mars rover’s seven minutes’ soft landing.
C. The Mars rover needs seven minutes to increase speed for landing.
D. Curiosity will be lowered to the Martian surface on cables in seven minutes.
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单项选择题
Women bosses are suggested to be all the following EXCEPT ______.
A. fair and firm

B. emotional and sensitive
C. kind and supportive
D. warm and giving
单项选择题
Which of the following may NOT be the result of passing the requests
A. The conservation may be improved.
B. The market in elephant tasks may be encouraged.
C. Poaching may be on a bigger increase in Africa.
D. It may be a big economic threat to other African countries.
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