下述对体表肿瘤的描述中，不正确的是（）。 A.体表肿瘤是指来源

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问题单项选择题

下述对体表肿瘤的描述中，不正确的是（）。

A.体表肿瘤是指来源于皮肤、皮肤附件、皮下组织与浅表软组织的肿瘤

B.下肢皮肤鳞状细胞癌严重时伴骨髓浸润，常需截肢

C.皮肤基底细胞癌发展缓慢，呈浸润性生长，常伴有血行或淋巴道转移

D.脂肪瘤位于深部者可恶变，应及时切除

E.神经鞘瘤中央型者，手术不慎易切断神经

答案

参考答案：C

阅读理解

阅读理解，判断正 (A) 误 (B)。

My name is Li ping. I'm 13. I'm in No. 1, Middle School. I'm in Class Four, Grade Seven. Linda

and Jenny are my good friends. We are in the same class. They are in Row Two, but I'm in Row Five.

Today Linda isn't here. I think she is at home. Mrs. Black is our teacher. Her name is Mary Black. She

is an English teacher. She looks very young. We all like her very much.

( ) 1. Li Ping is 12. She is in Class 4, Grade 7.

( ) 2. Linda and Jenny are in Class Two, Grade Seven.

( ) 3. Today I'm at home.

( ) 4. I can spell our teacher's name. M-A-R-Y Mary, R-E-A-D Read.

( ) 5. Mrs. Black is a teacher of English.

单项选择题

表面淬火是使钢件表层获得高硬度、（）性和高疲劳强度，心部仍保持足够的塑性和韧性。

A、耐磨

B、弹

C、脆

D、工艺