用所给词的适当形式填空(八年级1)
题目
用所给词的适当形式填空(八年级1)
71.Mr.Green’s teeth (be) very yellow because he likes smoking.
72.They (recent) began to do exercise in the morning.
73.I (use) to ask John for help.
74.(wolf) are dangerous animals,and they may eat people sometimes.
75.We would like to enjoy the (beautiful) of nature in the countryside.
76.Mrs.Lu (feed) some food to her baby and then left the house.
77.The famous (science) spent most of his time in the laboratory.
78.Miss Zhu (real) likes the dress,but it is to expensive.
79.The phone rang while Jim was (dig) a hole in the day.
80.There will be some (fox) in the zoo next year.
81.Tony spent three hours in (download) the movie.
82.A good English-English dictionary is quite (help) to students.
83.People should (kill) wild animals now.
84.The workers (weigh) these stones yesterday afternoon.
85.Michael got angry because I didn’t write to (he) last month.
86.Joe and his brother found a lot of (treasure) in t
答案
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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