【简答题】It is not profitable to provide bus services indistricts where the population is widely _____. A. scattered B. dismissed C.separated D. spread
【简答题】A.terrible B.possible C.enjoyable D.profitable
【简答题】A.irreplaceable B.lucrative C.simplistic D.profitable
【简答题】玻璃体后脱离是指()从()分离,通常在()的基础上发生。
【单选题】A market segment that is large enough or profitable enough to serve is ________.
【多选题】在环境毒理学领域,外源化学物是指:
C.
可以通过一定途径从环境进入人体,但 对人体健康不能造成影响
D.
可以通过一定途径从环境进入人体,并对人体健康产生影响
【简答题】位图是有许多点组成的,这些点被称为 _____ 。2个字
【简答题】A.adequate B.definite C.valuable D.profitable