However, at times this balance in nature is disturbed, a number of possibly unforeseen effects.
A. lying in B. calling in C. resulting in D. taking in
Why don’t you bring to his attention that you are too busy to do it?
A. which B. it C. what D. that
“The answer sheet written with a pencil be cancelled,” declared the teacher.
A. shall B. should C. must D. may
Li yanhong, co-founder of search engine Baidn, has deep understanding of Internet technology.
A. /;a B. the; / C. a; a D. the; a
－I’m entering for the English speech contest.
－__________!
A．Congratulations B．Enjoy yourself
C．Wonderful D． Good luck
书面表达
假设你是李华，某高中学生，今年暑假将前往澳大利亚参加主题为"WATER FOR LIFE"的交流活动。请你以参访代表的身份，根据以下图片提示，用英语写一篇发言稿。
注意:
1.根据图片的内容适当展开，以使行文连贯;
2.开头与结尾已写好，不计入总词数;
3.词数:120左右。
Ladies and gentlemen，
Good morning. I'm Li Hua from Fujian，China. It's my great honor to be here to say something about the global water shortage and ways of dealing with it.
That’s all. Thank you.
