The commercial city, Loulan, used to be a stopping point on the silk road between the West and the East, ______ by sandstorms from AD200 to AD 400.
A. which is believed to be covered over
B. as is believed to have been covered over
C. it is believed to be covered over
D. which is believed to have been covered over
As is proved, real effective exchange rate appreciation will help improve our country's industrial structure in the long run, though it ______ some short-term pressure on employment.
A. contributes to B. brings in
C. results from D. gives rise to
In the interview, something creative should be done by graduates to ______ themselves ______ other interviewers.
A. refer; to B. name; after
C. attach; to D. distinguish; from
Although Mrs. Smith has spared a lot of time for exercising, her health ______ poor.
A. proves B. remains
C. values D. graduates
The explosion of a chemical plant in Yancheng Jiangsu province last month led to over 100 people ______ to hospital for treatment, ______ their relatives to be in deep sorrow.
A. sending; causing B. sent having caused
C. being sent; causing D. to send; to cause
If one of your teeth feels ______, don’t be ______ and turn to your dentist for help.
A. aching; puzzling B. loose; embarrassed
C. painful; panicked D. uncomfortable; anxious
