从东海之滨到雪域高原，上海和西藏虽相距万里。但有着深厚友谊。多年来，两地注重优势互补

用injury, harm, hurt和wound的正确形式填空

1. Two football players were out of the team because of          .

2. It was a severe  _____to her pride.

3. The poor dog was licking(舔, 舐)its           .

4. The waste and poison may do great         to the things around us.

浆膜腔恶性积液中，常见的恶性肿瘤类型是（）。

A.腺癌

B.鳞癌

C.小细胞未分化癌

D.恶性间皮瘤

E.移行细胞癌

查询设计器分为上下两部分，上半部分是表的显示区，下半部分是【 】。

交换二次积分的积分顺序：设f、(x，y)连续，则

简述教育行动研究的基本步骤。