问题
选择题
有关卫星云图的说法正确的是[ ]
A．绿色表示海洋
B．蓝色表示陆地
C．白色表示云区
D．云层越厚颜色越黑
答案
答案：C
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有关卫星云图的说法正确的是[ ]
A．绿色表示海洋
B．蓝色表示陆地
C．白色表示云区
D．云层越厚颜色越黑
答案：C
完形填空：（共20小题；每小题1．5分，满分30分） In history,a real cowboy was a simple farm worker on horseback．He spent a long time a day outdoors working with cows．The work was dirty,tiring and not very well paid． People in the western states had to __36__ cattle at low cost and send them by railway to the eastern __37__．But someone had to __38__ the cattle and get them to the nearest railroad．This was the job of a cowboy．Sometimes the __39__ was more than a thousand kilometers away and it could take as __40__ as six months to move the cattle．The __41__ was long but the cattle were driven __42__ as not to lose __43__．Then they could be sold at a good price． Most cowboys were young, __44__ men．A good horse _45__ their job of moving cattle much easier．A good cowboy __46__ cows and knew how to control them．At night,he __47__ to the cows to keep them calm． In the late 1800s,America was changing from a nation of farm to one of __48__ and cities．The cowboy seemed __49__ compared with other Americans doing ordinary jobs． Today,the __50__ of cowboys has __51__ greatly．One change is the use of trucks．The job is not so hard __52__ it used to be．And cowboys are better __53__ now．They are _54__ to be married．Some of them are farmers or teachers or truck drivers．Some work for big companies． __55__ at night and on weekends,they become cowboys．These part-time cowboys increase the total production of meat,keeping the beef price low．
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