问题
单项选择题
艾滋病患者肺部机会性感染最常见的病原体是（）
A.结核杆菌
B.卡氏肺孢子虫
C.白假丝酵母菌
D.巨细胞病毒
E.疱疹病毒
答案
参考答案：B
解析：宿主免疫力下降时，潜伏的卡氏肺孢菌在患者肺内大量繁殖扩散，导致间质性降细胞肺炎，又称卡氏肺孢菌肺炎（PCP）。卡氏肺孢菌是艾滋病中最常见、最严重的机会感染性疾病。
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艾滋病患者肺部机会性感染最常见的病原体是（）
A.结核杆菌
B.卡氏肺孢子虫
C.白假丝酵母菌
D.巨细胞病毒
E.疱疹病毒
参考答案：B
解析：宿主免疫力下降时，潜伏的卡氏肺孢菌在患者肺内大量繁殖扩散，导致间质性降细胞肺炎，又称卡氏肺孢菌肺炎（PCP）。卡氏肺孢菌是艾滋病中最常见、最严重的机会感染性疾病。
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 16 some degree, though I sometimes do want to ask them how much they 17 Beckham, apart from his appearance and how much they know about football 18 scoring goals. It seems funny that we are crazy for things, with which we are unfamiliar or 19 we are uncertain, but we all, my friends 20 I, consider this 21 . We need these pleasures to brighten up our lives. But that doesn’t amount to craziness 22 nonsense. As an old saying 23 :“Don’t judge a book by its cover.” We should not 24 anything from its appearance. We should all know, it is one’s good character and great contribution that 25 one a star and unforgettable. Therefore we’d better say 26 about Beckham’s good looks. If we close our eyes, 27 in deep thought, we can find that the things 28 us to be in truth happy, sad or moved 29 a clear meaning. If we don’t go deeper and just satisfied with superficial things, 30 we will find that we have not really gained anything 31 our first impression has blinded and misled us, and we’ll remain ignorant 32 we realize that and make some changes. It is believed that thinking and going deeper than before is sign of great 33 .If one day we are willing to go deeper into everything, no matter how much it 34 us, we will finally prove how much we have grown up, how much more sensible, mature, and intelligent we have 35 .
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