Section B
题目
Section B
Direction:There are 10 blanks in the following passage.For each blank there are four choices marked A,B,C and D.You should choose the One answer that best completes the passage.Then mark the corresponding letter on the Answer Sheet with a single line through the center.
Many teachers believe that the responsibilities for learning lie with the students.(61) a long reading assignment is given,instructors expect students to be familiar with the (62) in the reading even if they do not discuss it in class or take an examination.The (63) student is considered to be (64)who is motivated to learn for the sake of (65),not the one interested only in getting high grades.Sometimes homework is returned (66) brief written comments but without a grade.Even if a grade is not given,the students are (67) for learning the material assigned.When research is (68),the professor expects the students to take it actively and to complete
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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