最常见的女性生殖器官良性肿瘤是（） A.子宫颈肌瘤 B.子宫肌瘤_爱下问搜题

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问题单项选择题 A1/A2型题

最常见的女性生殖器官良性肿瘤是（）

A.子宫颈肌瘤

B.子宫肌瘤

C.成熟畸胎瘤

D.浆液性囊腺瘤

E.卵巢纤维瘤

答案

参考答案：B

解答题

已知二次函数f（x）=ax^个+bx+c，若a＞b＞c且f（1）=0，
（1）证明f（x）的图象与x轴有两个交点；
（个）证明函数f（x）的一个零点小于-

；
（大）若f（m）=-a，试判断f（m+大）的符号，并证明你的结论．

补全对话，情景问答

选择恰当的句子完成对话，将标号填在空格上。

A. That sounds great!
B. What's the boy like?
C. Is he good at English?
D. Who's that boy in black?
E. He is good at playing football as well.

A: Hello! (1)________.
B: He's my good friend. He looks handsome.
A: Yes, I agree. (2)________.
B: He's kind and helpful. He always helps me with my English.
A: (3)_________.
B: Yes, he is.
A: What else is he good at?
B: (4)_________.
A: Why not invite him to play it with us?
B: (5)_________.