正确答案: A

基底细胞癌常发生于面部

题目：关于皮肤癌，下列说法正确的是（ ）

解析：A

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举一反三的答案和解析：

[单选题]腹部平坦，下列叙述正确的是( )

前腹壁与肋缘至耻骨联合颊大致处于同一水平

[单选题]通过教育实验提出高难度、高速度等教学原则的教育家是（　　）

赞科夫

[单选题]What is (21) that a teacher most wants in his students? Attentiveness? A good memory? Diligence? Certainly these are the qualities commonly (22) with "good students" in the (23) mind. And certainly, too, these are the qualities that most (24) to teachers' comfort.But the best students I ever had, (25) I remember the most wistfully, was a talkative, lazy day-dreamer. Sometimes he turned assignments in (26) , and a few he never (27) around to doing at all. Actually, my admiration for him was ironic, (28) I have never liked the name Ronald, (29) suggests to me the assumed name of a movie star. But he made one whole year of my (30) experience a delight.

it

解析：

21．答案为C  此处为强调句。It is+名词+定语从句。

[单选题]依我国现行法律的规定，债务人不履行债务的，债权人有留置权的是( )。

运输合同

解析：本题选A。本题考查可以作为留置权成立基础的法律关系。《担保法》第84条对此作了规定。

[单选题]

B．throwing C．thrown D．throws

thrown

解析：根据语境，原句缺后置修饰语修饰tires，选项C“thrown”为过去分词作定语放在修饰的词后，表被动或完成，与语境相符；选项A和选项D为谓语动词形式，不可作定语；选项B是现在分词，表主动和正在进行，与题意不符，所以正确答案是C。

[单选题]艺术接受的主体是艺术作品的。（ ）

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