皮皮学，免费搜题
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搜题
【单选题】
下列关于白细胞的叙述中哪不正确的 [ ]A.
比红细胞大，有细胞核
B.
在血液中的数量比红细胞少
C.
数量增多时，会引起炎症
D.
能吞噬病菌
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皮皮学刷刷变学霸
举一反三
【单选题】Helen ____ her key in the office so she had to wait until her husband ________ home.
A.
had left; came
B.
has left; comes
C.
left; had come
D.
had left; would come
【简答题】Helen _____ her key in the office so she had to wait until her husband came home. (left)
【简答题】“__________”原指古代的宫室,前面是堂,后面是室。登上厅堂,才能进入内室。后比喻学问或技能____________,达到很高的水平。
【简答题】“()”原指古代的宫室,前面是堂,后面是室。登上厅堂,才能进入内室。后比喻学问或技能从浅到深,达到很高的水平。