Why does the writer cite the lion case
A. To show that lions are always prepared to fight.
B. To show that lions are fierce animals.
C. To show that lions are ready at all times to flight.
D. To show that emotions can motivate thoughts and actions.
查看答案
Which of the following is not included in the cost of the trip
A. Planning the mission.
B. Modifying a spacecraft.
Completing manned and unmanned test flights.
D. Training astronauts.
Steven was relying on ______ another opportunity.
A. there would be
B. there being
C. there be
D. there to be
无灰干燥机挥发份小于10%的煤是（ ）。
A. 烟煤
B. 无烟煤
C. 褐煤
D. 贫煤
______ I to do this job, I should need your advice.
A. Be
B. Am
C. Was
D. Were
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