[填空题]The Yellow River is the second (long)（）river in China.

[填空题]The Yellow River is the second (long) ______ river in China.

[单项选择]（）Yellow River is the second longest river in our country.
A. /
B. The
C. An
D. A

[单项选择]（　） Yellow River is the second longest river in our country.
A. /
B. The
C. An
D. A

[填空题]We all know that the Yellow River is the second (long) ______ river in China.

[填空题]The Yellow River in China failed to reach the sea for the first time in history in the year of______.

[填空题]The second longest river in the world is______.

[填空题]There is a long b（） over the river.

[填空题]yellow

[填空题]The (long) ______ of the river is 300 miles.

[填空题]The(long)______of the river is 3,000 miles.

[简答题]　　 Chimpanzees 　　1　　Chimpanzees (黑猩猩) will soon be extinct (灭绝). If the present rate of hunting and habitat (栖息地) destruction continues, then within 20 years, there will be no chimpanzees living in the wild. But this is more than an environmental or moral tragedy (悲剧). Chimpanzee extinction may also have profound implications (含意) for the survival of their distant relatives - human beings. 　　2　　In 1975 the biologist Marie-Claire King and Allan Wilson discovered that the human and chimpanzee genomes (基因组) match by over 98%. Compare this to the mouse,used as model for human disease in lab tests, which shares only 60% of its DNA with us. In fact, chimpanzees are far more similar to humans than they are to any other species of monkey. As well as resembling us genetically, chimps are highly intelligent and able to use tools. These facts alone should be enough to make protection of chimps an urgent priority (优先). But there is another, more s