脚手架的宽度应满足工人操作、材料堆放及运输要求，不得小于（） A.1.2m B.1.

We understand _______small changes to our land can have a big impact upon our environment __________ as we know is vulnerable enough.

A．what; which

B．what; where

C．how; where

D．how; which

2.

(a) Explain the concept of TRUE and FAIR presentation. (4 marks)

-How do you like the curtains?

-Well, I’m afraid they don’t ______ very well with the wallpaper. [ ]

A. go      

B. match        

C. suit      

D. fit

射频疗法实际上是一种（）。

A.凝固术

B.破坏术

C.消融术

D.热疗法

E.切除术

我国当前基础教育课程改革的新理念是什么？