We can infer from the second paragraph that________

A.do not contribute to economic growth at all

B.are less useful to the society because they do not makedirect contribution to economicgrowth

C.are similar to medical and social services in their way ofpromoting economic growth

D.should develop only when they are good for economic growth

A.His personal qualities were entirely responsible for hisliterary success.

B.His personal qualities were primarily responsible for hisliterary success.

C.His personal qualities had some effects on his literarysuccess.

D.His personal qualities had no effects on his literarysuccess.

A.life on old sailing ships was enjoyable

B.people enjoyed sailing old ships in rough seas

C.most of the passengers felt comfortable when the ship was rolling

D.it was very painful for both passengers and crew during the voyage

A.only passengers were glad

B.the sailors had to swim ashore

C.they were surprised at the news that some ships never arrived

D.all of them were excited

A. challenging

B. psychological

C. dramatic

D. over-trusting

A. computer science courses in high schools

B. businessmen and women who use pocket calculators

C. maintenance(持续不断) checks on computers

D. companies which depend entirely on computers

A. allow us to buy fish and chips in France

B. make the journey from Europe to England dangerous but easier and faster

C. decrease more trade for London' s dockyards

D. make London more prosperous again

A. being heard

B. heating

C. to hear

D. having been heard

A. Bangladesh

B. Haiti

C.Canada

D. India