问题
单项选择题 A型题
关于嗜碱性粒细胞哪项错误？（）
A.核呈S型或不规则形
B.是数量最少的白细胞
C.功能与肥大细胞相似
D.颗粒内含有肝素、组胺和白三烯
E.胞质颗粒呈嗜碱性和PA.S阳性反应
答案
参考答案：E
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关于嗜碱性粒细胞哪项错误？（）
A.核呈S型或不规则形
B.是数量最少的白细胞
C.功能与肥大细胞相似
D.颗粒内含有肝素、组胺和白三烯
E.胞质颗粒呈嗜碱性和PA.S阳性反应
参考答案：E
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| The books in David's schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric, 1 his mother told him he would have to return his sister's books to the library first. He had 2 set foot in a library and he wasn't about to do so today. He would just 3 the books in the outside return box. But there was a 4 ; it was locked. He went into the building, only a few minutes 5 closing time. He put the books into the return box. And after a brief 6 in the toliet, he would be on his way to the playground to 7 Eric. David stepped out of the toliet and stopped in 8 the library lights were off. The place was 9 . The doors had been shut. They 10 be opened from the inside, he was trapped (被困) in a library! He tried to 11 a telephone call, but was unable to 12 . What's worse, the pay phones were on the outside of the building. 13 the sun began to set, he searched for a light and found it. 14 he could see. David wrote on a piece of paper:" 15 ! I'm TRAPPED inside!" and stuck it to the glass door. 16 , someone passing by would see it. He was surprised to discover that this place was not so unpleasant, 17 . Rows and rows of shelves held books, videos and music. He saw a book about Michael Jordan and took it off the shelf. He settled into a chair and started to 18 . He knew he had to 19 , but now, that didn't seem to be such a 20 thing. | ||||
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