Miss Poole had no friends and seldom had visitors, ______the girls who came over occasionally for high tea.
A. except
B. besides
C. in addition to
D. apart from
《旧约》中的启示小说是()。
A. 《路德记》
B. 《但以理书》
C. 《以斯帖记》
D. 《以赛亚书》
Leptin is effective in reducing weight but it's many years away before humans can use it.
A. Y
B. N
C. NG
The ob gene causes the fat cells to produce the hormone leptin. The fatter, the more hormones are produced.
A. Y
B. N
C. NG