如图，在△ABC中，∠C=90°，AB的垂直平分线MN分别交AC，AB于点D，E．若∠CBD：∠DBA=2：1，则∠A为（　　）

阅读文言文，完成各题。

【甲】

       船头坐三人，中峨冠而多髯者为东坡，佛印居右，鲁直居左。苏、黄共阅一手卷。东坡右手执卷端，左手抚鲁直背。鲁直左手执卷末，右手指卷，如有所语。东坡现右足，鲁直现左足，各微侧，其两膝相比者，各隐卷底衣褶中。佛印绝类弥勒，袒胸露乳，矫首昂视，神情与苏、黄不属。卧右膝，诎右臂支船，而竖其左膝，左臂挂念珠倚之，珠可历历数也。

（节选自《核舟记》）

【乙】

       一士人善画，作鼠一轴^①，献之县令。令初不知爱，漫悬于壁。旦而过之，轴必坠地，屡悬屡坠。令怪之，黎明物色^②，轴在地而猫蹲其旁。逮^③举轴，猫则踉跄逐之。以试群猫，莫不然者，于是始知其画为逼真。

（摘自《独醒杂志》）

     【注】①轴：画卷。②物色：观察。③逮：等到。

用红、黄、蓝、白、黑五种颜色涂在＂田＂字形的4个小方格内，一格涂一种颜色而且相邻两格涂不同的颜色，如颜色可以重复使用，则有且仅有两格涂相同颜色的概率为（　　）

根据句意用适当的反身代词填空

（1）Don’t worry about me. I can take care of____ (I).

（2） His name is Thomas, but he usually calls____ (he) Tom.

（3） Li Juan hurt ____  (she) when she played tennis yesterday afternoon.

（4）"You're old enough, boy. You'd better do it ____  (you).” My father said to me.

（5）Peter and Simon enjoyed ____  (they) at the English party last night.

阅读理解

    Body language is an important part of communication(交流). If you want to communicate well, it's important to understand how you can (and can't) use your body to say what you mean, especially when you're in a foreign country. If a person is bored, he won't look at the person who is talking to him. He will find other things to do. He may also keep looking at his watch or a clock. If a person is open to you, his arms and legs will not be crossed. And if a person is relaxed, you will know it by looking at his body, even his breathing is slower.

Here are some examples of body language: