【单选题】What is the accident?
A.
A boy fell into the river.
B.
A boy's bike is broken.
C.
A boy was hit by a car.
【判断题】检测河流水质时,背景断面要设置在河流上游无人类影响的地方。
【单选题】The little boy ________ the glass. And the glass ________ on the ground and was broken.
【单选题】下列关于糖皮质激素的描述正确的是
D.
能兴奋中枢,出现欣快,激动等,甚至可诱发精神病
E.
能明显增加血液中性粒细胞数,增强其游走吞噬功能
【单选题】Yesterday ______ 11-year-old boy fell into the river. Luckily ______ boy was saved by his neighbour at once. [ ]
【判断题】检测河流水质时,背景断面要设置在河流上游无人类影响的地方。
【单选题】Yesterday _____ 8-year-old boy fell into the river. _____ boy was saved by _____ policeman. [ ]
【简答题】根据圈层结构理论,内圈层即中心城区或城市中心区,基本没有种植业和其他农业活动,以第三产业为主,商业、金融、服务业高度集聚。 Y.对 N.错
【多选题】速卖通平台产品搜索排名是综合考虑多方因素,目前的搜索排名的参考纬度主要考虑( )