下列哪项符合正常骨髓象特征A．有核细胞增生明显活跃B．粒红比(3_爱下问搜题

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问题单项选择题

下列哪项符合正常骨髓象特征

A．有核细胞增生明显活跃
B．粒红比(3～5):1
C．原始淋巴细胞占8%
D．可见少量网状细胞和肥大细胞
E．原粒细胞＜5%，早幼粒细胞＜8%

答案

参考答案：D

解析：正常骨髓象中可见少量网状细胞和肥大细胞。

完形填空

阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
Never would I forget the other night when I came across an unforgettable sight while watching the Olympics. It was not a gold medal, or a world record broken, but a   36   of determination and courage.
The   37  was swimming and started with only three men on the blocks. Two of them, however, were disqualified(取消资格) due to   38  starts. That left only one to   39  . That would have been difficult enough, not having anyone to race   40  . I watched the man dive off the   41  and knew right away that something was   42  . Now I’m not an expert swimmer but I do know a good dive from a poor one, and this man was far from being a medal winner. When he   43  , it was clear that the man was not out for gold. I listened to the crowd begin to   44   at this poor man that was clearly having a   45  time. Finally he   46  his turn to start back. It was pitiful. He made a few all-out strokes(划水) and you could   47  he was worn out.
__48___in those few awkward strokes, the crowd had ____49____. No longer were they laughing, but beginning to ____50____. Some ____51___began to stand and yell things like, “Come on, you can do it!” and, “Go for it!” He did. A clear minute slower than the average swimmer, this young man finally finished his   52  . The crowd went    53  . You would have thought that he had won the gold, and he should have. Even though he recorded one of the slowest times in Olympic history, this man gave more heart than any of the other   54  .
A man that gave his all -- knowing that he had no chance, but competed because of the   55  of the games.

多项选择题

主张古典利率理论的经济学家有（）。

A、庞巴维克

B、马歇尔

C、凯恩斯

D、西尼尔