《地表水环境质量标准》基该项目中五日生化需氧量的监测分析方法是()。 A.重铬酸盐法

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问题:

《地表水环境质量标准》基该项目中五日生化需氧量的监测分析方法是()。

A.重铬酸盐法

B.水杨酸分光光度法

C.稀释与接种法

D.碘量法

考点:环境影响评价工程师环境影响评价技术导则与标准环境影响评价师
题型:单项选择题

Joe Brown had a shop. He sold meat in his shop. One Thursday a woman came into his shop at five to one. “I’m sorry I’m late,” she said. “I need some more meat for my dinner tonight.” Joe had only one piece of meat in his shop. He took it out of the fridge and said, “This is $6.50.””That piece is too small,” the woman said, “haven’t you got anything bigger?” Joe went into the room behind his shop, put the piece of meat into the fridge, took it out again and closed the door with lots of noise. Then he brought the piece of meat to the woman and said, “This piece of meat is bigger and more expensive. It’s $8.75.””Good ,” the woman said with a smile , “give me both of them, please.”

小题1:Joe Brown was ______.

A.a waiter(侍者)

B.a runner

C.an singer

D.a shopkeeper小题2:When did the woman come to Joe’s shop?

A.Early in the morning.

B.Early in the afternoon.

C.Late in the evening.

D.At about one o’clock at night.小题3:Why didn’t the woman want that piece of meat?

A.Because she had no money.

B.Because it was bad.

C.Because it wasn’t big enough.

D.Because it was too big.小题4:How many pieces of meat were kept in the fridge?

A.Only one piece of meat.

B.Two pieces of meat.

C.Several pieces of meat.

D.Many pieces of meat.小题5:Could Joe give the woman both pieces of meat?

A.Of course not.

B.Certainly.

C.He would try his best.

D.Yes, he could.

题型:单项选择题

下列说法正确的是(  )

A.SiH4比CH4稳定

B.O2-半径比F-的小

C.Na和Cs属于第ⅠA族元素,Cs失电子能力比Na的强

D.HClO4、H2SO4、H3PO4的酸性依次增强

题型:单项选择题

小明同学设计了如图所示的实验,用水蕴草来研究植物的光合作用。

(1)水蕴草通过光合作用制造了_______,同时产生氧气。

(2)本实验采用______法收集氧气。

(3)叶绿体位于植物细胞的哪一基本结构中?________。

题型:单项选择题

与2002年相比,在2004年时,以下哪项说法错误()。

A.除了A城市外,其他两个城市工业废水中镉排放量都有所降低

B.除了C城市外,其他两个城市工业废水中铅排放量都有所降低

C.B城市平均每个工业企业的工业废水排放量有所上升

D.C城市平均每个工业企业的工业废水排放量有所上升

题型:单项选择题

2008年,我国股票市场A股市场蒸发了22万亿元,每个账户平均损失38万元,很多股民体验了“我理财了,财不理我”的辛酸。股票投资的风险源于()①股东转让出资必须征得其他股东的同意②企业利润的不稳定性③股东要以其个人资产对公司承担连带责任④股票价格的不确定性

A.①②

B.①③

C.②④

D.③④

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