当前我国产业结构调整的中心任务是要形成以高新技术产业为先导、基础产业和制造业为支撑、（）全面发展的产业格局。

A．identified only one mosquito species instead of six species.

B．thought only three mosquito species transmitted disease.

C．thought there was only one mosquito species.

D．did not know what species was being studied.

A．identified only one mosquito species instead of six species．

B．thought only three mosquito species transmitted disease．

C．I thought there was only one mosquito species．

D．did not know what species was being studied．

A．identified only one mosquito species instead of six species

B．thought only three mosquito species transmitted disease

C．thought there was only one mosquito species

D．did not know what species was being studied

As a result, many people avoided the very attempts that are ____________(幸福的源泉).

People with college education______.

A．have less opportunity to control their lives

B．have more opportunity to control their lives

C．are not happier than those who have only an education at high school

D．are much happier than those who did not graduate from high school

People with college education______.

A．have less opportunity to control their lives

B．have more opportunity to control their lives

C．are not happier than those who have only an education at high school

D．are much happier than those who did not graduate from high school

A.confused about

B.are confused about

C.confused with

D.are confused with

It is suggested that shy people might be confused because______.

A．they misinterpret other people"s facial expressions

B．they have problems recognizing certain facial expressions

C．they are extremely introverted

D．they are unable to admit to being shy

I’m confused a bout your intention and can ____ decide on what to do.

A. necessarily

B. undoubtedly

C. previously

D. barely