单项选择题
The biggest problem for group work is the selection of group members.Below are some possible ways to group students.Each of them is appropriate except （）.
A.group the students according to seating arrangementB.students select their own group members (risky)C.group the students by drawing lotsD.divide the strong students and the weak students into different groups
判断题 Rote-learning ability is not included in aptitude.（）
多项选择题 Techniques of noting an error including（）.
判断题 Learners can neither correct nor explain pre-systematic error.（）
