问题
单项选择题
下列对慢性粒细胞白血病描述错误的是
A.白细胞数显著升高,以中性中幼粒、晚幼粒细胞和杆状核细胞为主,并有嗜酸性、嗜碱性粒细胞增多
B.属于多能干细胞水平上突变的克隆性疾病
C.Ph’染色体是本病的特征性异常染色体,所有慢性粒细胞白血病患者均可检出该染色体
D.NAP积分明显减低甚至为0
E.外周血嗜碱性粒细胞>20%,提示为加速期
答案
参考答案:C
下列对慢性粒细胞白血病描述错误的是
A.白细胞数显著升高,以中性中幼粒、晚幼粒细胞和杆状核细胞为主,并有嗜酸性、嗜碱性粒细胞增多
B.属于多能干细胞水平上突变的克隆性疾病
C.Ph’染色体是本病的特征性异常染色体,所有慢性粒细胞白血病患者均可检出该染色体
D.NAP积分明显减低甚至为0
E.外周血嗜碱性粒细胞>20%,提示为加速期
参考答案:C
"Where is the university(大学)?"This is a question that many visitors to Cambridge(剑桥)ask. But no one can give them a 36 answer, for there is no wall to be found 37 the university. The university is the city. You can find classroom buildings, 38 , museums and offices of the university all over the city. And most of its members are the students and 39 of the thirty-one colleges (学院). . Cambridge was already a 40 town long before the first students and teachers arrived 800 years ago. It grew up by the river Granta, and the river was once 41 the Cam. A 42 was built over the river as early as 875. So the town got its name "Cambridge". In the fourteenth and fifteenth centuries more and more land was used for college buildings. The town grew much 43 in the nineteenth century after the opening of the railway in 1845. Cambridge became a 44 in 1951 and now it has a population of over 100, 000. Many young students in other countries 45 to study at Cambridge. Thousands of people from all over the world come to visit the university town. It has become a famous place all around the world.
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