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【多选题】
属于装卸搬运合理化表现的有 ( ) 。A.
托盘化、集成化等作业
B.
省力化作业
C.
系统化作业
D.
使用机械化作业
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举一反三
【单选题】听力原文：M: What a beautiful day it is! It's a perfect day for the football game. W: Indeed, you couldn't ask for better weather. Q: What does the woman mean? (7)
A.
She likes football very much.
B.
She does not like the weather.
C.
She agrees with the man.
D.
She thinks there will be better weather.
【单选题】程序的功能是通过计算将数列的前9项保存到数组中：0、0、2、4、8、12、18、24、32。数列计算公式为： 【图片】在空白处填入合适的表达式，使程序完整。 Dim x(8) As Integer Dim i As Integer For ________ If i mod 2 = 1 Then x(i) = (i * i - 1) / 2 ...
A.
i = 0 To 8
B.
i = 1 To 9
C.
i = 2 To 10
D.
i = 0 To 8 step 2
E.
i = 1 To 9 step 2
【单选题】听力原文：M: Has Cecilia been working hard on the term paper? W: Day in and day out! Q: What does the woman say about Cecilia? (18)
A.
She's studying all the time.
B.
She's out all the time.
C.
She goes in and out frequently.
D.
She studies twice a day.
【简答题】在各项均为正数的数列 中，前 项和 满足 。 (1)证明 是等差数列，并求这个数列的通项公式及前 项和的公式； (2)在平面直角坐标系 面上，设点 满足 ，且点 在直线 上， 中最高点为 ，若称直线 与 轴、直线 所围成的图形的面积为直线 在区间 上的面积，试求直线 在区间 上的面积； （3）若存在圆心在直线 上的圆纸片能覆盖住点列 中任何一个点，求该圆纸片最小面积．
【单选题】听力原文：W: I think I will take the half-day tour of the city. M: only half day? Why not the whole day? Q: What does the man suggest? (17)
A.
Stay half days.
B.
Take a longer tour:
C.
Tour the country.
D.
Rest the whole day.
【单选题】听力原文：M: Do you brush at least three times a day? W: No, only once a day. You mean, that's where the problem lies? Q: What is the man? (14)
A.
Teacher.
B.
Dentist.
C.
Flight attendant.
D.
Tour guide.
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