49. When she kisses the baby, it makes the older child ____.

A. 　 To defend the Internet users’ privacy.

B. 　 To cover up the users’ residence.

C. 　 To visit the websites the users like.

D. 　 To relieve the government’s burden.

A. 　 extensive

B. 　 spare

C. 　 extra

D. 　 supreme

A. 　Studying WHO’s guidelines.

B. 　Increasing its research funding.

C. 　 Expanding its market overseas.

D. 　Cutting its production costs.

A. 　To ensure the company’s future development.

B. 　To adapt to its customers’ changed taste.

C. 　 To help improve its consumers’ lifestyles.

D. 　To break the trade-off in its product design.

A. 　 Making their guests feel at ease.

B. 　 Indicating where they are.

C. 　Turning them off in time.

D. 　 Ensuring their guests’ privacy.

A. 　 Their competitors.

B. 　 Their clients.

C. 　 Brian’s work performance.

D. 　 The DollarMart Contract.

A. 　 news

B. 　 rumor

C. 　 saying

D. 　 proverb

A. 　 scrape

B. 　 catalog

C. 　 category

D. 　 script

A. 　 Automobile repairing skills.

B. 　 Computer operating skills.

C. 　 Practical and professional skills.

D. 　 Tyre mending skills.

A. 　 Smoking is banned in all public places.

B. 　 People can smoke in the designated areas of pubs and bars.

C. 　 Restaurants are entirely smoke-free.

D. 　 The smoking rules there are too strict.