题目

下图为植物群落生长的分层现象,对此现象解释不正确的是( ) A.分层现象是植物群落与环境条件相互作用的一种形式 B.决定这种现象的环境因素除光照外,还有温度和湿度等 C.种植玉米时,因植物群落分层现象的存在,所以要合理密植 D.在农业生产上,可以充分利用这一现象,合理搭配种植的品种 答案：CWill you be excited when you finally get to relax? Here, three of the studetns tell us what they plan to do after the big exam.Li Junzhe, 15, Huaihua, Hunan Province (省) My friends and I will travel to Beijing right after the exam. We planned to go by ourselves but were turned down by our parents. They said we were too young to travel alone. They said they would go with us. I'm okay with it because I've already traveled by myself.Zhu Hangian, 15, Dexing, Jiangxi Province What am I going to do this summer? Of course I'll go to see the Great Wall! But before that, I will watch movies. Because of the big exam, I haven't seen any movies for a long time. I will watch whatever is in the cinema! As for the Great Wall, I can't wait to see the beautiful views.Dong Xu, 14, Dalian, Liaoning Province I will, no doubt, play computer games for days after the big exam. My mother never let me during the past few years. I can't imagine how exciting it will be. Also my friends and I will go to see the Great Wall.1. Who has the experience of travelling alone?A. Dong Xu B. NobodyC. Zhu Hangjian D. Li Junzhe2. Zhu Hangian will ________ before traveling to Beijing.A. watch movies at homeB. play computer gamesC. see films in the cinemaD. go to Beijing with his friends3. The three students will be excited about their summer plans because_______.A. they will go to see Shanghai ExpoB. they all want to see moviesC. they will play games for daysD. they will travel to Beijing