【推荐1】—Did you get Helen’s ________ to her 15th birthday party?
—Yes. She invited me last Friday.

A．pollution

B．invitation

C．preparation

D．discussion

【推荐2】The ________ of the world is growing larger and larger. As a result, the burden of the earth is becoming heavier and heavier.

A．population

B．pollution

C．protection

【推荐3】There will be less ________ and the environment will be better.

A．factories

B．cars

C．pollution

【推荐1】Nowadays, more and more people are paying attention to the ________ of environment.

A．population

B．pressure

C．protection

【推荐2】— I can’t believe that Judy has won the singing competition!
— Me, neither. I wonder how she made________ in such a short time.

A．pressure

B．progress

C．development

【推荐3】—Winnie, I hear you want to be a teacher.
—That’s right. Staying with kids can bring me a lot of________and I love kids.

A．pressure

B．pleasure

C．treasure

D．nature

【推荐1】During the Spring Festival, a stone Buddha head（佛首）which is a lost national ________ from Taiyuan Tianlongshan Grottoes（石窟）has returned home successfully.

A．treasure

B．course

C．decision

【推荐2】The doctors want to rush to Wuhan to save more _________ as quickly as they can.

A．treasure

B．strangers

C．books

D．patients

【推荐1】— Who is your best friend, Tina?
— Maria. When I have trouble, I call her for help.

A．problems

B．ideas

C．mistakes

【推荐2】On May Day holiday, I had a terrible experience because of the heavy ________. I was trapped for 13 hours on the highway!

A．tradition

B．traffic

C．trouble

D．treasure