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【单选题】
They hoped to find a new continent _____ in the Indian or Pacific Ocean. [ ]A.
which they thought was existed
B.
where they thought existed
C.
where they thought to be existed
D.
which they thought existed
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【单选题】欲配制pH=9．0 的缓冲溶液，应选用的物质为( )。
A.
HAc-NaAc [Ka(HAt)=1．8×10-5]
B.
NH4C1-NH3[Kb(NH3)=1．8×10-5]
C.
六次甲基四胺[Kb((CH2)6N4)=1．4×10-9]
D.
甲酸(Ka=1．0×10-4)及其盐
【简答题】论说文 根据下面的材料写一篇论说文，题目自拟，要求700字左右。 毛遂于平原君前自荐而成功，《三国演义》中的蒋干自告奋勇去劝降周瑜，结果是“偷鸡不着蚀把米”，中了周瑜的“离间计”。 请以此为话题，谈谈你的理解，不超过700字。
【简答题】假如你叫Emma，想应聘2010年上海世博会志愿者，请根据下面提供的信息，用英文给组委会写一篇简短的自荐信(应聘的理由至少4条)。 要求：1.词数80左右，开头和结尾已给出，不计入总词数。 2.适当发挥想象，使短文完整、流畅。 Dear Madam/Sir, I am writing to recommend myself as a volunteer for 2010 World Expo. ▲...
【简答题】阅读理解 A year after graduation,I was offered a position teaching a writing class.Teaching was a profession I had never seriously considered,though several of my stories had been published.I accepted the...
【单选题】pH=9 的 NH3-NH4Cl 缓冲溶液配制正确的是( )(已知 NH4 的 Ka=1×10 )。
A.
将 35gNH4Cl 溶于适量水中,加 15mol/L 的 NH3•H2O24mL 用水稀释至 500mL
B.
将 3gNH4Cl 溶于适量水中,加 15mol/L 的 NH3•H2O 207mL 用水稀释至 500mL
C.
将 60gNH4Cl 溶于适量水中,加 15mol/L 的 NH3•H2O 1.4mL 用水稀释至 500mL
D.
将 27gNH4Cl 溶于适量水中,加 15mol/L 的 NH3•H2O 197mL 用水稀释至 500mL
【简答题】The writing of the play is (actual) __________ finished, I had only a few changes to make.
【单选题】According to passage, it is telephone that ______.
A.
has made letter writing an art
B.
has prevented wars by avoiding written communication
C.
has made world different from what it was
D.
has caused wars by magnifying and extending human conflicts
【单选题】What will the counselors at the office do?
A.
Give students hints about writing resumes.
B.
Provide students with jobs that interest them.
C.
Put students in touch with people offering the positions.
D.
Help students pass interviews.
【简答题】书面表达。（10分） 请根据提示内容，写一篇60词左右的文章，向学校报社推荐自己，可适度拓展。 Name： Li Hua Age ： 12 Birthday： December 25 From： Shanghai Address（家庭地址）：在银行对过 Likes：Koalas Reasons（原因）：quiet and lovely Dream(理想):想做一名记者
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