婴儿出生后4～6个月，反复呼吸道感染，你首先考虑哪类Ig不足（） A.IgD B.I

发布时间：2018-02-17 20:08 │ 来源：www.tikuol.com

题型：单项选择题

问题：

婴儿出生后4～6个月，反复呼吸道感染，你首先考虑哪类Ig不足（）

A.IgD

B.IgM

C.血清型IgA

D.分泌型IgA

E.IgE

考点：临床医学检验临床化学临床化学综合练习临床化学综合练习题库

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用分子观点解释切洋葱时可闻到刺激性气味，正确的是：

A．分子之间有间隔

B．分子在不断运动

C．分子的质量和体积都很小

D．分子是由原子构成的

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男性，35岁，因慢性乙型肝炎，肝硬化腹水，呕血等行脾切除。镜下组织学改变是（）

A.白髓萎缩，脾窦内皮增生，髓索及小梁血管纤维化，巨噬细胞增多并含铁血黄素沉积

B.出血周围含铁血黄素沉着，并见肉芽组织

C.凝固性坏死，尚见脾结构残影，无明显出血带

D.脾小体的淋巴滤泡增生，红髓充血，各种炎细胞浸润

E.单一性非典型淋巴细胞增生，并见成片的坏死

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如图所示的电路中，输入电压U恒为12 V，灯泡L标有“6 V，12 W”字样，电动机线圈的电阻R_M="0.50" Ω.若灯泡恰能正常发光，以下说法中正确的是（）

A．流经电动机的电流是12A

B．电动机的输出功率12 W

C．电动机的输出功率是10 W

D．电动机的热功率是72 W

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题型：单项选择题

完形填空。

     Shopping habits in the United States have changed greatly in the last quarter of the 20th century.    1
in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a
town. This street was  2   on both sides with many   3   businesses. Here, shoppers walked into stores to
look at all sorts of merchandise: clothing, furniture, hardware, groceries.   4   ,some shops offered    5   .
These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops.    6
in the 1950s, a change began to    7 .Too many automobiles had crowded into Main Street   8   too few
parking places were   9   shoppers. Because the streets were crowded, merchants began to look with
interest at the open spaces  10    the city limits. Open space is what their car-driving customers needed.
     And open space is what they got   11   the first shopping centre was built. Shopping centres, or rather
malls,  12   as a collection of small new stores   13   crowded city centres.   14   by hundreds of free
parking space, customers were drawn away from   15   areas to outlying malls. And the growing 16 of
shopping centres led   17   to the building of bigger and better stocked stores.    18 the late 1970s,many
shopping malls had almost developed into small cities themselves. In addition to providing the   19   of one
stop shopping, malls were transformed into landscaped parks,  20 benches, fountains, and outdoor
entertainment.

(    ) 1. A. As early as
(    ) 2. A. built
(    ) 3. A. varied
(    ) 4. A. Apart from
(    ) 5. A. medical care
(    ) 6. A. suddenly
(    ) 7. A. be taking place
(    ) 8. A. while
(    ) 9. A. available for
(    )10. A. over
(    )11. A. when
(    )12. A. started
(    )13. A. out of
(    )14. A. Attracted
(    )15. A. inner
(    )16. A. distinction
(    )17. A. on
(    )18. A. By
(    )19. A. cheapness
(    )20. A. because of

B. Early
B. designed
B. various
B. However
B. food
B. Abruptly
B. take place
B. yet
B. available to
B. from
B. while
B. founded
B. away from
B. Surprised
B. central
B. fame
B. in turn
B. During
B. readiness
B. and

C. Early as
C. intended
C. sorted
C. In addition
C. cosmetics
C. Contrarily
C. be taken place
C. though
C. used by
C. out of
C. since
C. set up
C. next to
C. Delighted
C. shopping
C. popularity
C. by turns
C. In
C. convenience
C. with

D. Earlier
D. lined
D. mixed up
D. As well
D. services
D. But
D. have taken place
D. and then
D. ready for
D. outside
D. then
D. organized
D. near
D. Enjoyed
D. downtown
D. liking
D. further
D. Towards
D. handiness
D. provided

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下列哪一项不属于公安法制工作（）

A．公安机关内部的法律事务和内部执法监督工作

B．劳动教养案件审批

C．制订公安法律法规

D．办理国家赔偿案件

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