【单选题】If we had taken such effective measures much earlier, the river ________ so seriously now.
D.
would not have been polluted
【单选题】城市轨道交通换乘行为特征有:简单化、就进性、( )
【单选题】安装后轮双胎时,下列说法正确的是( )。
B.
在安装过程中,用千斤顶一次顶起车桥,安装内外两车轮。
【单选题】十个月男婴,因腹泻3天伴呕吐入院。大便每天6~9次,蛋花汤样,略带腥臭,1天来口干少尿。患儿以牛奶喂养为主,家长卫生习惯差,既往无腹泻史。体格检查:T38℃,精神差,哭时泪少,前囟眼窝凹陷,唇干,心、肺正常。腹软,肠鸣音活跃。大便常规:色黄,有黏液,白细胞数0~5/HP。下列因素与本例发生腹泻有关,除了()
【单选题】What is the student's opinion of the falcon program?
A.
It is not as effective as shooting problem birds.
B.
It should be discontinued because it is too expensive.
C.
It is a good opportunity to promote peregrine falcons as pets.
D.
It is interesting because it uses biology to solve a problem.
【单选题】安装后轮双胎时,下列说法正确的是
B.
在安装过程中,用千斤顶一次顶起车桥,安装内外两车轮。