There is already clear ________ to show that plants and animals are being affected by climate change．

A．witness

B．evidence

C．identity

D．announcement

Chen Suqin, lecturer of Sun Yat-sen University, said many scientists in the USA and Europe study medicine and biology using Harry Potter as case and that's ________ she got the idea for her course named “Harry Potter and genetics”．

A．there

B．when

C．what

D．where

On Wednesday, Apple announced that its latest handset will be ________ in China and 21 other countries on Jan 13, just three months after it was first launched in the USA．

A．available

B．acceptable

C．affordable

D．measurable

The Ministry of Public Security on Thursday urged police to carry out strict road safety checks in the wake of deadly accidents ahead of Spring Festival, when hundreds of millions ________ home．

A．were rushing

B．have rushed

C．had rushed

D．will be rushing

Nearly 80 percent of female respondents said men ________ less than 4,000 yuan a month should not start a relationship．

A．earned

B．earning

C．having earned

D．to earn

Schools must ensure that most young people ________ the skills and knowledge that may be helpful in their future life．

A．acquire

B．learn

C．achieve

D．fulfill

The young man is upset because he doesn't know how he can get it ________ to the pretty girl how much he loves her．

A．across

B．up

C．down

D．around

－Shall I go and buy some food for dinner?

－No, I have stored a lot in the fridge．That ________ be enough．

A．can

B．may

C．might

D．ought to

Now there is a system ________ the waste is disposed of using the principles of ecology．

A．when

B．that

C．where

D．what

You might as well talk to a stone as try to argue with a(n)________ woman．

A．sensitive

B．stubborn

C．flexible

D．aggressive