[填空题]Compared with the number of American people who had their blood cholesterol levels checked in 1990 was ______ than that of in 1983.

[填空题]Compared with the number of American people who had their blood cholesterol levels checked in 1990 was ______ than that of in 1983.

[填空题]

and that the number of people who taking part in the strike had been only about 4,000.

[填空题]Now the number of people who are working at home on the Internet (be)______ still very small to small.

[填空题]Ngw the number of people who are working at home on the Internet______(be)stillvery small．

[单项选择]If you judge by the number of people who go to see the games and by the number of those who actually play it, basketball is probably the most popular sport in the United States. It is mainly an indoor game, and the season extends from late fall, through the winter to early spring. There are many professional teams, but for the most part basketball is a second sport. There is hardly a high school or college in the country that does not have its loyal following of fans.
During what time of the year is basketball popular in the United States
A. From late autumn to winter.
B. From winter to spring.
C. From autumn through the winter to whole spring.
D. From late autumn through the winter to early sprin

[填空题]The number of sales people who have left the company (be) _________very small.

[填空题]People who work rotating night shifts appear to have a lower (47) of Parkinson’s disease, the results of a study published in the American Journal of Epidemiology. And (48) , an increased risk of developing this condition is linked to a longer average duration of sleep.
"Working rotating night shifts disrupts rhythms and may have a wide (49) of physiologic (理疗) effects on shift workers," Dr. Honglei Chen, of the National Institutes of Health, writes.
"In the (50) studies, some inference has been confirmed. Shift work has been (51) to higher risks of some chronic diseases, including certain types of cancers," they note, but any effect on the risk of developing Parkinson’s disease has not been (52) .
The researchers therefore (53) data from the U.S. Nurses’ Health Study, which enrolled 84, 794 female nurses, to see if there was an association between working rotating night shifts and Parkinso