I enjoy _______ for this company because they take care of their employees as well as their customers.
查看答案
The job market for college graduates is improving _______, according to a recent report.
A. slow
B. slowly
营养物质满足维持需要是的生产效率为()。
A. 0
B. 50%
C. 80%
D. 100%
绝食代谢产热量一般()基础代谢产热量。
A. 高于
B. 低于
C. 等于
鸡的胃肠道排空时间一般为()小时。
A. 24
B. 36
C. 48
D. 72