i5M1.4的定位精度是多少？

Tom and Mike were good friends.Sometimes they were kind to each other, sometimes they were not.But all of their classmates said they were like brothers.

One day they went out for a walk together.At noon they were very hungry and they went into a restaurant to have lunch.The waiter came up to them and asked, “What can I do for you?”

“Please bring us two apples first.” said Tom.

When the waiter put two apples on the table, Mike took the bigger one at once.Tom got angry.

“You are impolite, Mike.Why don’t you take the smaller one?” Tom said.

“But I am right.” said Mike with a smile, “if I let you take first, which one will you choose?”

“Of course I’ll take the smaller one.” said Tom.

“Yes,” Mike said, “If you take the smaller one, the bigger one will still be mine.Don’t you think so?”

“Oh!” Tom couldn’t answer.

小题1:Tom and Mike were       .

A．always kind to each other

B．sometimes kind to each other

C．dear brothers

D．friends of different school小题2: Mike thought only about       when they were having lunch.

A．himself

B．Tom

C．his parents

D．his friends.小题3:The waiter gave them       .

A．two eggs

B．two apples

C．three oranges

D．some milk小题4:Tom took the       apple.

A．better

B．bigger

C．smaller

D．worse小题5:     took the apple first.

A．Mike

B．Tom

C．Tom and Mike

D．The waiter

下列选项中，会造成环氧乙烷吸收工艺循环水中乙二醇浓度高的是（）。

A、去水处理系统的循环水流量小

B、去水处理系统的循环水流量大

C、系统补充水量过大

D、解吸塔直接蒸汽加入量过多

城市环境电磁辐射监测，按照《辐射环境保护管理导则-电磁辐射监测仪器和方法》执行，一般选择（）高峰期进行测试。

A.5：00～9：00

B.11：00～14：00

C.18：00～23：00

D.11：00～l3：00

大型．高层建筑可在（）完成后开始建筑施工阶段的沉降观测。

A.地下室砌完后

B.基础完工后

C.基础垫层

D.基础底部

某高校新建一座6层的办公楼，准备分配给6个系使用。它们是F(中文系)、G(经济系)、H(法律系)、I(教育系)、J(心理系)、K(哲学系)。每个系占用一层，必须按照以下条件进行安排：
(1)C在F的下面；
(2)H所在的楼层恰好紧挨着K所在的楼层；
(3)I所在的楼层不能紧挨着K所在的楼层；
(4)J在第四层。

如果G在第五层，那么以下哪项必然为真

A．F在第一层。

B．K在第二层。

C．H在第一层。

D．I在第六层。