从南极上空向下看，甲飞机沿南纬600逆时针方向飞行，从北极上空向下看，乙飞机沿北纬600逆时针方向飞行，下列叙述正确的是 （ ）
A．两机同向飞行
B．两机逆向飞行
C．甲机自西向东飞行
D．乙机自东向西飞行
答案：B
本题考查地图上的方向，从南极上空看自转方向自西向东呈顺时针，故逆时针为自东向西运动；从北极上空看，自西向东的自转方向呈逆时针，故两机的飞行方向相反。
阅读短文，从方框内选择适当的词并用其正确形式填空，使短文意思通顺完整。每空限填一次，每词限用一次。方框中有两个词是多余的。
Bad luck! Their daughter was hurt in a traffic accident last month and had to be in 小题3: . Mrs. White was looking after her there and she couldn’t go home. As Mr. White 小题4: did any cleaning, the rooms were all disorderly (凌乱的). Yesterday morning, before Mr. White got up, the telephone 小题5: . He sat up to answer it. His friend told him to write an important telephone number down. But he could find 小题6:a pen nor a piece of paper. Then he found there 小题7: much dust (灰尘) on the table and wrote the number on it. But soon he 小题8: it and went to work. Two hours later his wife came back and looked for a sweater for her daughter. Her husband came back while she was 小题9: the table. He couldn’t see the number on the table and called out 小题10: , "Who let you clean the table?" |