进行光合作用的场所是[] A.线粒体 B.液泡 C.叶绿体 D.细胞核

题型:选择题

问题:

进行光合作用的场所是[     ]

A.线粒体

B.液泡

C.叶绿体

D.细胞核

考点:光合作用
题型:选择题

关于急性肾衰竭(ARF),叙述错误的是()

A.机体代谢产生的固定酸需通过肾排出体外,因此ARF常导致酸中毒

B.因磷排泄减少,导致钙吸收减少,出现低钙血症

C.患者会出现负氮平衡,因此,补氮量越多越好

D.血液透析的优点是能快速消除过多的水分、电解质和代谢产物

E.治疗高钾血症疗效最快的方法是静脉注入钙离子

题型:选择题

阅读理解。

                                       When milk arrived on the doorstep

     When I was a boy growing up in New Jersey in the 1960s,we had a milkman delivering milk to

our doorstep.His name was Mr.Basille.He wore a white cap and drove a white truck.As a 5yearold

boy,I couldn't take my eyes off the coin changer fixed to his belt.He noticed this one day during a

delivery and gave me a quarter out of his coin changer.

    Of course,he delivered more than milk.There was cheese,eggs and so on.If we needed to change

our order,my mother would pen a note-"Please add a bottle of buttermilk next delivery" -and place

it in the box along with the empty bottles.And then,the buttermilk would magically(魔术般)appear.

    All of this was about more than convenience.There existed a close relationship between families

and their milkmen.Mr.Basille even had a key to our house,for those times when it was so cold outside

that we put the box indoors,so that the milk wouldn't freeze.And I remember Mr.Basille from time to

time taking a break at our kitchen table,having a cup of tea and telling stories about his delivery.

  There is sadly  no home milk delivery today.Big companies allowed the production of cheaper milk,

thus making it difficult for milkmen to compete(竞争).Besides,milk is for sale everywhere,and it may

just not have been practical to have a delivery  service.

    Recently, an old milk box in the countryside I saw brought back my childhood memories.I took it

home and planted it on the back porch(门廊).Every so often my son's friends will ask what it is.So

I start telling stories of my boyhood,and of the milkman who brought us friendship along with his milk.

1.Mr.Basille gave the boy a quarter out of his coin changer ________.

A.to show his magical power

B.to pay for the delivery

C.to satisfy his curiosity

D.to please his mother

2.What can be inferred from the fact that the milkman had the key to the boy's house? 

A.He wanted to have tea there.

B.He was a respectable person.

C.He was treated as a family member.

D.He was fully trusted by the family.

3.Why does home milk delivery no longer exist?

A.Nobody wants to be a milkman now.

B.It has been driven out of the market.

C.Its service is getting poor.

D.It is forbidden by law

4.Why did the author bring back home an old milk box?

A.He missed the good old days.

B.He wanted to tell interesting stories.

C.He needed it for his milk bottles.

D.He planted flowers in it.

题型:选择题

七情配伍中,可降低药物毒副作用的是()

A.相须、相使

B.相杀、相反

C.相畏、相杀

D.相恶、相反

E.相畏、相使

题型:选择题

被纪律处理的员工申请复议、复核时,因遇案情重大、复杂或者有其他特殊情况,报()批准后,可以适当延长做出复议、复核决定的时间。

A、上级单位领导

B、上级单位监察部门

C、同级单位领导

D、同级单位监察部门

题型:选择题

双绞线不仅可以传输数字信号,也可以传输模拟信号。

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