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【单选题】
听力原文:M: Hey, you look so sad, what's wrong? W: I didn't get the job I've applied for. Q: Why does the woman look so sad? (8)
A.
She hasn't got the job.
B.
She hasn't passed the exam.
C.
She has got a headache.
D.
She has lost her bag.
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参考答案:
举一反三
【判断题】观测值与真值(或平均值)之间存在的差值,这种差值称为测量误差。
A.
正确
B.
错误
【简答题】There is no excuse for not doing your assignments (作业). If you can’t come to school, you should call your teacher or your classmate and ask about homework. It is your responsibility (责任)to find out wh...
【简答题】阅读理解 There is no excuse for not doing your assignments(作业). If you can't come to school, you should call your teacher or your classmate and ask about homework. It is your responsibility(责任)to find out...
【简答题】小莉本学期数学平时作业、期中考试、期末考试的成绩分别是88分、82分、90分,各项占学期成绩分别为30%、30%、40%,小莉本学期的数学学期成绩是(    )分。
【简答题】小明和小颖本学期数学平时成绩、期中成绩、期末成绩分别如下: 假如学期总评按平时成绩、期中成绩、期末成绩各占1∶3∶6的比例来计算,那么小明和小颖的学期总评成绩谁较高?
【简答题】小明本学期数学平时作业、期中考试、期末考试的成绩分别是90分、86分、95分,各项占学期成绩分别为30%、30%、40%,小明本学期的数学学期成绩是(    )分。
【简答题】锌和铝都是活泼金属,其氢氧化物既能溶于强酸,又能溶于强碱.但氢氧化铝不溶于氨水,而氢氧化锌能溶于氨水,生成[Zn(NH3) 4 ] 2+ . 回答下列问题: (1)单质铝溶于氢氧化钠溶液后,溶液中铝元素的存在形式为________(用化学式表示). (2)写锌与强碱反应的化学方程式:______________________________________. (3)下列各组中的两种溶液,用相互滴...
【单选题】读图,就在我们进行本学期中期测试的时候,太阳直射点在(  )
A.
a
B.
b
C.
c
D.
d
【单选题】It suddenly to the teacher that he hadn’t left any assignments(作业) to his students.
A.
happened
B.
occurred
C.
thought
D.
took place
【简答题】学校制定成绩的评价方案:期中成绩占30%,期末成绩占70%,小李期中与期末成绩分别为80分和90分,则本学期他的成绩为______分.
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