【多选题】下列对于金融相关说法,正确的是( )。 (《习近平谈治国理政》第二卷,《促进经济和金融良性循环、健康发展》第278页)
【单选题】Who runs the coffee cafe?
B.
Students in a high school.
C.
Teachers in a high school.
【多选题】已知GBP/USD汇率从1.2230变成1.2508,下列说法正确的是( )。
【单选题】下列说法不正确的是( )
A.
PM2.5表示每立方米空气中直径小于或等于2.5微米的颗粒物的含量,2013年1月13日大连市监测到的PM2.5日均值范围为每立方米210-278微克,远高于正常值每立方米75微克,则PM2.5可能导致空气形成气溶胶
B.
做“钠与水的反应”实验时,切取绿豆大小的金属钠,用滤纸吸干其表面的煤油,放入烧杯中,滴入两滴酚酞溶液,再加入少量水,然后观察并记录实验现象
D.
一旦金属汞洒落,必须尽可能收集起来,放在水中保存以防挥发;并将硫磺粉撒在洒落的地方,使金属汞转变成不挥发的硫化汞
【单选题】Employers are reluctant to hire high school graduates because ______.
A.
high school graduates usually have difficulty in adapting to the work situation
B.
high schools graduates' academic level cannot meet any job requirements
C.
high school graduates leave their jobs more often and fail to hold permanent jobs
D.
high school graduates lack academic skills, less cooperative and less experienced
【单选题】在生理条件下,下列哪种氨基酸带负电荷?( )
【单选题】在生理条件下,下列哪种氨基酸残基的侧链所带的负电荷最多?
【判断题】落地后倒时,应团身后滚翻,滚翻时肌肉应保持适度的紧张。