Developing a low-carbon economy is global topic and the world needs
clean revolution with participation from everyone, decision makers to the children.
| A．a；the | B．a；a | C．the；a | D．／：the |
He is so easy-going a man _________ everyone wants to work with.
| A．whom | B．that | C．as | D．/ |
He tried his best to solve the problem,________ difficult it was.
| A．however | B．no matter |
| C．whatever | D．although |
Only when medical expenses are reducedaccess to proper medical treatment.
| A．poor people do have | B．poor people can have |
| C．can poor people have | D．do have poor people |
Now the Chinese eatas they actually need every day.
| A．twice as much protein | B．twice protein as much |
| C．protein as twice much | D．protein twice as much |
It was several yearsI finally realizedDavid had lied to me.
| A．when;that | B．that;when | C．before;that | D．until;why |