It has been proved ____ several new kinds of medicine____ a positive effect on the cure of H7N9.
A. which，has B. if, has
C. that, have D. what, have
It was the middle of the night_____ my father woke me up and told me to watch the football game.
A.that B.as
C.which D.when
I invited him to dinner, but he___ my invitation with thanks.
A. approved B. declined
C. ignored D. abandoned
The population of this city ,forty percent of which_____, ______ 15% in the last three years
A. are Germans, has risen by
B. are Germen, has fallen by
C. is Germans, have been increased by
D. is Germen, have been reduced by
—Guess what? Tom has failed in the exam ____ second time.
—How come? He is ___ second to none in English in our class.
A. a; a B. the; a
C. a; / D. the; the
假定你是李华，准备参加学校举办的主题为“当代中学生应具备的最重要的品质”的英语演讲比赛。请按下列要求写一篇120词左右的演讲稿。短文的开头与结尾已给出，不计入总词数。最重要品质主要包括：
1.有强烈的求知欲；
2.善良、诚实、谦虚、自信；
3.勤奋、执著、积极向上；
4.有强烈的责任感。
参考词汇:乐观的optimistic 执著persistent 勤奋diligent
Hello,everyone!I’m glad to make a speech here.My topic is: What are the most important qualities that_______________________________________________________________
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That’s all.Thank you.
