出自:华北水利水电大学英语

类脂不包括下列哪种:
· 脂肪
· 磷脂
· 糖脂
· 胆固醇
· 胆固醇酯
肝糖原可以直接分解为葡萄糖以补充血糖,是因为肝脏含有:
·葡萄糖-6-磷酸酶
·葡萄糖激酶
·已糖激酶
·果糖二磷酸酶
·磷酸化酶
糖的磷酸戊糖途径的生理意义是为机体提供
· 5’-磷酸核糖和NADPH+H+
· 6-磷酸葡萄糖
·.FADH2
·NADH+H+
· FMNH2
乙酰辅酶A彻底氧化分解的途径是
· 三羧酸循环
· 磷酸戊糖途径
· 糖醛酸途径
· 酮体的代谢
· 鸟氨酸循环
甲亢病人基础代谢率增高,其中甲状腺素起的作用是
·加速ATP的分解
·加速ATP的合成
·加速ATP的合成与分解
·降低ATP的合成
·降低ATP的分解
电子按下列途径传递,能偶联磷酸化的是:
·Cyt b → Cyt c
·CoQ → Cyt b
·Cyt c →Cyt aa
·琥珀酸 → FAD
·以上都不是
在酶分子中,由必需基团组成,能够结合底物并催化底物的结构称
·酶的活性中心
·酶原
·同工酶
·酶的空间结构
·辅酶
结合酶中,决定了酶蛋白作用的专一性的是
·酶蛋白
·辅助因子
·辅酶
·辅基
·必需基团
竞争性抑制剂的结构和__________的结构相似
·酶
·抑制剂
·底物
·产物
·辅酶
维生素D的主要生化作用是
·促进.Ca2+ P的吸收
·促进.Ca2+ P的排泄
·促进 K+Na+的吸收
·促进胃对.Ca2+ P的吸收
·降低血钙,血磷的浓度
Whethe little girl got back her answer sheet, she could not help ________.
· from crying
· to cry
· herself from crying
· crying
_______ the temperature, ______ water turns into steam.
· The high; the fast
· Higher; faster
· The more higher; the faster
· The higher; the faster
Cheap coal ______ a lot of smoke.
· gives up
· gives in
· gives away
· gives off
I met he _____ my way ________.
· in; to home
· in; home
· on; to home
· on; home
This ring was handed ________ from my aunt.
· out
· in
· round
· down
I think they will go to towmorrow, ____
· do I
· don’t I
· will they
· won’t they
If you ever have the ____ to go abroad to work, you should take it.
· possibility
· offer
· luck
· chance
They always kept ogood ___ with their next-door neighbors for the children’s sake.
· friendship
· relations
· relatives
· terms
Take aumbrella with you icase it ____.
· many rain
· could rain
· rained
· rains
Companies usually ____ a number of experiments before a new product is launched.
· practice
· control
· carry
· conduct
–How soodo you want to leave for the picnic-- ________.
· Sooner or later.
· Be quick.
· As I like.
· Iahour.
–It’s really nice of you to give me a favor now-- ________.
· Thank you.
· No, no.
· With pleasure.
· It’s my pleasure.
–Excuse me, Sir. Could you hold the suitcase for me-- ________.
·It’s a pleasure.
· My pleasure.
· I could.
· With pleasure.
His ears are highly sensitive _______ any unusual sound ithe machine.
· of
· on
· to
· by
WTO stands ________ the World Trade Organization.
· as
· like
· for
· by
______ me, I shall not returthere either.
· As long as
· As for as
· As for
· So as to
Billy has difficulty _______ the rest of the class.
· to keep up with
· to keep up
· keeping up with
· keeping on
Don’t hesitate to _______ me if you are itrouble.
· turout
· turin
· turto
· turup
Our English teacher ___ our buying a good English-Chinese dictionary.
· asked
· ordered
· suggested
· required
My house is very ___ for getting to work as it is only a few minutes from the station.
· comfortable
· suitable
· convenient
· free
The matold his girlfriend he would wait for her where the three roads ____.
· link
· connect
· meet
· combine
I remembered that the air conditioners ____ turned off before I left home.
· were
· were to be
· had been
· have been
I’d like to find someone ____ I cadiscuss such a problem.
· who
· whom
· with whom
· to whom
–Would you mind doing me a favor now-- ________.
· No, of course.
· Yes, help yourself.
· No, of course not.
· Sure, go ahead.
–You’ve wothe basketball game. Congratulations!-- ______________.
· Oh, not really.
· No one else could do it.
· Thank you. We’re really lucky.
· It’s good of you to say so.
We had ______ at the party.
· the good time
·a good time
· the good times
· good time
My sister is used to ______ with all the windows open.
· sleep
· sleeping
· the sleeping
· have slept
He was disappointed to find his suggestions _______.
· beeturned down
· turned down
· to be turned down
· to turdown
We’re looking ______ hearing from you soon.
· at
· forward
· for
· up
Each student has to ______ a compositioonce a week.
· hand out
· hand in
· hand down
· hand over
What’s the language _____ iGermany
· speaking
· spoken
· be spoken
· to speak
There was a good ____ of the countryside from the front of the bus.
· sight
· view
· scene
· scenery
-- How do you like your new job-- Well, it is great ____ salary, but it does not offer much prospects for promotion.
· icharge of
· iterms of
· icase of
· ifavor of
I did not notice that my dog was missing ____ a moment ago.
· before
· until
· to
· on
The baby can’t evesit up yet, ____walk!
· don’t mention
· let alone
· other than
· rather than
–How long do you think it’ll take to fix my bicycle-- ________.
· Maybe longer.
· Hard to tell.
· Please wait.
·Take a seat
–Do you know where my MP3 is, Dad-- ________.
· Oh, it’s pity.
· Have you looked upstairs
· I know.
· Sorry, I didn’t.
–Do you think living ithe countryside has more advantages-- ___________.
· Yes, perfectly.
· Well, it depends.
· Yes, it is.
· Nothing at all.
Finally he managed to get into contact _____ them.
· with
· on
· at
· from
We’re going to ______ with some friends for a picnic. Would you like to joius
· get together
· get over
· get in
· get along
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