造血干细胞异常可导致() A.缺铁性贫血 B.慢性失血性贫血 C.巨幼细胞性贫血 D

题型:单项选择题 B1型题

问题:

造血干细胞异常可导致()

A.缺铁性贫血

B.慢性失血性贫血

C.巨幼细胞性贫血

D.再生障碍性贫血

E.急性失血性贫血

考点:临床执业医师贫血贫血题库
题型:单项选择题 B1型题

British people are far more sophisticated about beverages than they were 50 years ago. Witness the Starbucks revolution and you’ll know where (1) goes. However, spurred on by recent studies suggesting that it can cut the risk of (2) and retard the aging process, tea is enjoying a (3) .

Although tea is available in more places than ever, it remains to be (4) of a typical British family.

If you are invited to an English home, (5) in the morning you get a cup of tea. It is either brought in by a heartily (6) or an almost malevolently silent maid. When you are (7) in your sweetest morning sleep you must not say: "Go away, you (8) ." On the contrary, you have to declare with your best five o’clock smile. "Thank you very much. I (9) a cup of tea, especially in the morning." If they leave you alone with the liquid you may pour it (10) !

Then you have (11) ; then you have tea at 11 o’clock in the morning; (12) ; then you have tea for tea; then after supper; and again at eleven o’clock (13) .

You must not refuse any additional cups of tea under the(14) if it is hot; if it is cold; if you are (15) ; if you are nervous; if you are watching TV; (16) ; if you have just returned home; if you feel like it; if you do not feel like it; if you have had no tea (17) ; if you have just had a cup.

You definitely must not (18) . I sleep at five o’clock in the morning; I have coffee for breakfast; I drink innumerable (19) during the day; I have the (20) even at tea-time!

13()

题型:单项选择题 B1型题

汽车示液器可显示点火装置的()电压,()波形,()波形,()波形()及波形。

题型:单项选择题 B1型题

入境货物报关的操作流程

题型:单项选择题 B1型题

半径为R的半圆柱形玻璃,横截面如图所示,O为圆心,已知玻璃的折射率为

2
,当光由玻璃射向空气时,发生全反射的临界角为45°.一束与MN平面成45°的平行光束射到玻璃的半圆柱面上,经玻璃折射后,有部分光能从MN平面上射出.求能从MN射出的光束的宽度为多少?

题型:单项选择题 B1型题

血压测量的目的?

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