问题
名词解释
分蘖
答案
参考答案：
禾本科植物，从靠近地面的茎基部产生分枝，并在基部产生不定根的特殊分枝方式。
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分蘖
参考答案：
禾本科植物，从靠近地面的茎基部产生分枝，并在基部产生不定根的特殊分枝方式。
| 完形填空。 | |||
| In the United States, children start school when they are five years old. In some states they must stay in school __1__ they are sixteen. Most students are seventeen or eighteen years old when they __2__ secondary (中等的) schools. There are two kinds of schools in the United States: public schools and private schools. __3__ children go to public schools. Their parents do not have to __4__ their education because the schools __5__ money from the government. If a child goes to a private school, his parents have to get enough money for his schooling. Some parents still __6__ private schools, though, they are much more expensive. Today about half of the high school students __7__ university after they finish the secondary school. A student at a state university doesn't have to pay very much if his parents __8__ in that state. But many students __9__ while they are studying at universities. In this way they __10__ good working habits and live by their own hands. | |||
| ( ) 1. A. and ( ) 2. A. leave ( ) 3. A. Several ( ) 4. A. worry about ( ) 5. A. take ( ) 6. A. wish ( ) 7. A. follow ( ) 8. A. were born ( ) 9. A. work ( ) 10. A. develop | B. though B. begin B. Most B. pay for B. spend B. hate B. miss B. travel B. study hard B. make | C. until C. study at C. A few C. ask for C. receive C. choose C. change C. live C. do sports C. build | |