慢性淋巴细胞白血病患者出现下列哪种核型时预后较好A．+12B．t(11，14)C．t

下列调查工作需采用的普查方式的是（　　）

A．环保部门对淮河某段水域的水污染情况的调查

B．电视台对正在播出的某电视节目收视率的调查

C．质检部门对各厂家生产的电池使用寿命的调查

D．企业在给职工做工作服前进行的尺寸大小的调查

She doesn’t speak ____ her friend, but her written work is excellent.

A．as well as

B．so often as

C．as much as

D．as good as

哪种局麻药最易通过胎盘（）

A.丁卡因

B.利多卡因

C.甲哌卡因

D.丙胺卡因

E.布比卡因

There was a lot of fun at yesterday's party. You _____ have come, but why didn't you? [ ]

A. must

B. shouldn't

C. needn't

D. ought to

卵巢内胚窦瘤（）

A.AFP

B.ACTH

C.CA125

D.E2

E.β-hCG