2 . Graduates today get more creative in their career pursuits, and can quickly respond to and change with _____ the market demands.

A．when

B．which

C．what

D．that

3 . As fossil fuels are unsustainable, alternative energy, such as sunlight, wind and water, _____ currently.

A．was employed	B．is being employed
C．were employed	D．are being employed

4 . The use of genetic engineering should be restricted to just those cases _____ the health of the mother or her baby is threatened.

A．in which ​​​

B．how

C．of whom

D．why

5 . Young people are more willing to study the skills of paper cutting these days, _____ local authorities have put great efforts in promoting the handicraft.

A．if

B．though

C．as

D．unless

6 . We could have some tests to see what, ________, is wrong, and see whether we can do something to fix it.

A．when necessary	B．though enough
C．if anything	D．as possible

9 . People may think that dinosaurs were big, green with hard skin covering their bodies. But in fact, it seems that dinosaurs appeared very different from________ we think.

A．which

B．that

C．who

D．what