There is no reason why you shouldn't tell them beforehand that you are leaving.
A:in advance B:ahead C:before long D:early
答案:A
解析:
第3题:
I have to go at once.
A:soon
B:immediately
C:now
D:early
答案:B
解析:
at once:马上。immediately:马上,例如:It's getting late.We must go back home immediately.越来越晚了,我们得马上回家。soon:很快,例如:We'll have lunch soon.我们很快就要吃午饭了。now:现在,例如:If we leave now we'll be there before dark.如果我们现在就离开,我们在天黑前就会到那里了。early:早,例如:Mary gets up very early.玛丽起得很早。选项B与题干中at once的含义相近,故答案为B。
第4题:
______ aims to help students to pay attention to teaching contents efficiently at the beginning of the class.
A.Lead-in
B. Presentation
C. Preparation
D.Practice
答案:A
解析:
考查教学环节。
本题问的是上课一开始旨在帮助学生注意教学内容,由关键词“at the beginning of the class”可知,应选导入,导入为教学环节的第一步。综上,A选项正确。
B选项,Presentation,呈现新知识环节,故排除。
C选项,Preparation,准备,并非教学环节,故排除。
D选项,Practice,练习环节,故排除。
故正确答案为A项。