Great changes would never have taken place　　 the economic reform in our country.

　 A．apart from　 B．but for　　 C．except　　　 D．besides

The book is of great value. ____ can be enjoyed unless you digest it.

A. Nothing　　　 B. Something　　　　 C. Everything　　　　 D. Anything

It knowledge is power, 　　 Sir Francis Bacon wrote in 1579, 　　 perhaps creativity ca be described as the ability to use that power.

A. what; and　　　 B. as; then　　　 C. which; and　　 D. that; then

I just wonder 　　　　 that you don’t want to cooperate with me.

A．why it does　 B．what it does　　　　 C．how it is　　　　 D．why it is

She was told to wear flat shoes 　　　　 her back problem．

A. on account of　　　 B．regardless of　　　 C．in terms of　　　 D．in case of

This is a s＿＿＿ about how to improve our learning skill, and it was made by
Wang Guoquan.