【单选题】What is the main idea of Part Three(Para 8-9)?
B.
We can get freshwater from salt water at a cheap rate.
C.
There are solutions to the water problems, but scientists need time.
【多选题】下列各项中,其变动可以改变保本点位置的因素包括()。
【单选题】How many parts is the passage divided into? Part One (Paras.1-2) serves as an introduction to the essay topic “spend or save”. Part Two (Paras.3-6) relates their psychological and social consequences....
A.
Three Part I — (Paras. 1-2) Part II — (Paras. 3-6) Part III — (Paras. 7-9)
B.
Four Part I — (Paras. 1-2) Part II — (Paras. 3-5) Part III— (Paras. 6-8) Part IV — (Para. 9)
C.
Five Part I — (Para. 1) Part II — (Para. 2) Part III — (Paras. 3-5) Part IV — (Paras. 6-8) Part V — (Para. 9)
【单选题】回收率低、不能反馈被调查者的态度、也不能了解到问卷中未涉及的问题而遗漏重要的市场信息属于()调查方式的特点。
【单选题】(P146)我国的改革是社会主义制度的自我完善。从根本上说,这是由
【单选题】我国的改革是社会主义制度的自我完善和自我发展。从根本上说,这是由( )