肾细胞癌的病理改变，哪项是错误的（） A.肾细胞癌起源于肾小管上皮，有包膜 B.肿瘤

根据括号里所给词的正确形式填空，(共15小题；每小题1分，满分15分)

小题1:There has been a close ____  （联系）between them ever since she saved him from drowning.

小题2:Mr Masack is an ______ （直言的）critic of the present government.

小题3:Kids, will you stop _______ (争论) with each other?

小题4:There's not much in the way of ____________ (娱乐) in this town - just the cinema and a couple of pubs.

小题5:An _______ (观众) of about 15,000 attended the concert.

小题6: Fishermen with ______ (晒黑的)faces sat on the beach mending their nets.

小题7:A  _______(化学的) change takes place in any substance when it burns.

小题8: I can't believe that the enormous meal wasn't enough to satisfy your ______（饥饿）.

小题9:With these ___________(发现)，some farmers are beginning to turn to organic farming.

小题10:French cheeses are ________ (出口) to many different countries.

小题11:It is a ________ (传统)that the young look after the old in their family.

小题12:They take strong  ________(措施)against dangerous drivers.

小题13:The ________(景色；风景)in the mountains is very beautiful..

小题14:The animals were ________（吓坏）by the storm.

小题15: His words are strongly _______ (使铭记；使印象深刻) on my memory .

用如图所示的装置做光的色散实验，太阳光经过三棱镜后，会在白色光屏上形成一条由 _____组成的彩色光带，这说明太阳光可以分解成_____；若在三棱镜后再加一个三棱镜，发现太阳光发生色散后又混合成了一束白光，说明白光是由_____色光混合而成的．

科学发展观的实质是 ( )

A．建设社会主义小康社会

B．实现共同富裕

C．实现经济社会又好又快发展

D．建设富强民主文明和谐的社会主义国家

战争必须服从政治，战略必须服从政略，那种认为军事可以脱离政治而独立存在的观点，不仅在理论上是站不住脚的，在实践上也是极为有害的。

已知二叉树后序遍历序列是dabec，中序遍历序列是debac，它的前序遍历序列是

A．acbed

B．decab

C．deabc

D．cedba