一般疑问句:Is she a student?意思就是:她是名学生吗?
is疑问句:
Is she your teacher? 她是你的老师吗?
Is she a smart girl?她是个聪明的女孩吗?
Is she reading books?她正在看书吗?
Each student has been given their own email address.
每个学生都得到一个自己的电子邮件地址。
He began his political career as a student.
他从当学生时起就开始了他的政治生涯。
I was just an average sort of student.
我只是一个普通的'学生。
The space available is not adequate for our needs.
现有的空间不能满足我们的需要。
The gene is activated by a specific protein.
这种基因由一种特异性蛋白激活。