题目
As it was almost time for the flight, all the passengers got______the plane.
A.around
B.abroad
C.aboard
D.ahead
第1题
第2题
Why is it not necessary to provide powered flight in space all the time?
A.Few spacecrafts complete their flight operations.
B.The Earth's gravity cannot be overcome.
C.No further power is needed after the escape speed is reached.
D.Free fall takes the place of the Earth's gravity pull.
第3题
Why is it not necessary to provide powered flight in space all the time? ______
A.Few spacecrafts complete their flight operations.
B.The Earth's gravity cannot be overcome.
C.No further power is needed after the escape speed is reached.
D.Free fall takes the place of the Earth's gravity pull.
第4题
Why is it not necessary to provide powered flight in space all the time?
A.Few spacecrafts complete their flight operations.
B.The Earth's gravity cannot be overcome.
C.No further power is needed after the escape speed is reached.
D.Free fall takes the place of the Earth's gravity pull.
第5题
Why is it not necessary to provide powered flight in space all the time?
A.Few spacecrafts complete their flight operations.
B.The Earth's gravity cannot be overcome.
C.No further power is needed after the escape speed is reached.
D.Free fall takes the place of the Earth's gravity pull.
第6题
A.the newer the music is, the harder it can pass the test of time
B.it is most difficult for music to gain a kind of permanent status
C.pop music will cease to be enjoyed soon after it is introduced
D.good music needn't pass the test of time
第7题
Why is it not necessary to provide powered flight in space all the time?
A.Few spacecrafts complete their flight operations.
B.The Earth's gravity cannot be overcome.
C.No future power is needed after the escape speed is reached.
D.Free fall takes the place of the Earth's gravity pull.
第8题
Why is it not necessary to provide powered flight in space all the time?
A.Few spacecrafts complete their flight operations.
B.The Earth's gravity cannot be overcome.
C.No future power is needed after the escape speed is reached.
D.Free fall takes the place of the Earth's gravity pull.
第9题
A.the newer the music is the harder it can pass the test of time
B.it is the most difficult for music to gain a kind of permanent status
C.pop music will cease to be enjoyed soon after it is introduced
D.good music needn't pass the test of time
第10题
A.正确
B.错误
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