微晶蜡主要成分是()。A、带有正构或异构烷基侧链的环烷烃B、正构烷烃C、异构烷烃D、

题型:单项选择题

问题:

微晶蜡主要成分是()。

A、带有正构或异构烷基侧链的环烷烃

B、正构烷烃

C、异构烷烃

D、芳香烃

考点:生化化工药品技能考试石蜡工艺考试石蜡工艺考试题库
题型:单项选择题
不定项选择
关于惠更斯原理,下列说法中正确的是(   )
A.在波的传播过程中,介质中所有参与振动的质点都可以看作是一个新的波源

B.在波的传播过程中,只有介质中波前上的各点可以看作是新的波源

C.子波是真实存在的波

D.子波是为了解释波动现象而假想出的波

题型:单项选择题

完形填空:

20090521

 
My ears are recently full of joyous remarks from my friends such as, “Oh, Beckham is so handsome, so cool, that I can’t help falling in love with him!” Or “What perfect skills he has!” Yeah, I agree   36   some degree, though I sometimes do want to ask them how much they  37     Beckham, apart from his appearance and how much they know about football   38   scoring goals. It seems funny that we are crazy for things, with which we are unfamiliar or   39    which we are uncertain, but we all, my friends   40   I, consider this one of life’s 41  .

We need these pleasures to brighten up our lives. But that doesn’t amount to craziness  42   nonsense(胡闹). As an old saying   43    : “Don’t judge a book by its cover.” We should not   44  anything from its appearance. We should all know, it is one’s good character and great contribution that   45   one a star and unforgettable. Therefore we’d better say   46   about Beckham’s good looks.
If we close our eyes,   47  in deep thought, we can find that the things that   48   us to be in truth happy, sad or touched   49   a clear meaning. If we don’t go deeper and just satisfied with superficial(表面的)things,  50   we will find that we have not really gained anything  51  our first impression has blinded and misled us, and we’ll remain ignorant(无知)  52   we realize that and make some changes.
It is believed that thinking and going deeper than before is a sign of great   53  . If one day we are willing to go deeper into everything, no matter how much it   54   us, we will finally prove how much we have grown up, how much more sensible(理智的), mature(成熟的), and intelligent we have   55  .
36.A.to        B.on       C.in        D.at
37.A.learn from      B.learn C.know       D.know about
38.A.rather than      B.except for       C.except      D.apart from
39.A.with      B.in      C.about       D.for
40.A.not        B.as well as C.rather than       D.but
41.A.pleasures B.taste     C.sorrow      D.regrets
42.A.nor        B.and      C.or        D.or else
43.A.speaks     B.talks        C.tells     D.goes
44.A.take       B.judge       C.accept      D.conclude
45.A.makes      B.causes      C.builds      D.create
46.A.better      B.more     C.worse       D.less
47.A.taking      B.leaving     C.falling     D.getting
48.A.move       B.change   C.doubt     D.follow
49.A.lack      B.have        C.include    D.cover
50.A.in fact     B.indeed     C.in a while        D.sooner or later
51.A.so       B.even though    C.because    D.although
52.A.even if     B.although C.unless      D.if
53.A.joy      B.progress   C.effort       D.work
54.A.cares      B.pains       C.delights    D.minds
55.A.come       B.made       C.had        D.become
题型:单项选择题

受伤肢体严重肿胀,组织广泛破坏、出血和坏死,应诊断为 ( )

A.扭伤
B.挫伤
C.挤压伤
D.冲击伤
E.创伤性窒息

题型:单项选择题

城镇土地使用税适用地区幅度差别()税率。

A、超额累进

B、超率累进

C、定额

D、比例

题型:单项选择题

根据测绘成果管理条例,法人或其他组织需要利用属于国家秘密的基础测绘成果,经成果所在地测绘行政主管部门审查同意后,测绘行政主管部门应当书面告知测绘成果的()。

A.技术规定

B.费用标准

C.秘密等级

D.保密要求

E.著作权保护要求

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