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【简答题】
Nevertheless, I was young and I had a high sense of duty and I tried to put it this way: "For the rest of your life," I said, "your days are going to average out to about twenty-four hours. They will be a little shorter when you are in love, and a little longer when you are out of love, but the average will tend to hold. For eight of these hours, more or less, you will be asleep."
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【单选题】●设一个包含N 个顶点、E 条边的简单无向图采用邻接矩阵存储结构（矩阵元素 A[i][j]等于1/0 分别表示顶点i与顶点 j 之间有／无边），则该矩阵中的非零元素数目为 (60)。 (60)
A.
N
B.
E
C.
2E
D.
N+E
【单选题】● On November 1, $1000 worth of work on task A was supposed to have been done (BCWS) however, the BCWP was $850. Calculate the schedule variance: A ￥-100
B.
￥100
C.
￥-150
D.
￥150
E.
85%
【单选题】A project manager and her team worked together to develop a work breakdown structure.However,it seems project team members are doing work that is not included in the work breakdown structure. The purp...
A.
guide the cost estimate for a project，not how the work is done。
B.
provide senior management with a high level view of the project scope。
C.
include the work required to create the products of the project。
D.
Include the total project scope or all of the work that must be done to complete the project。
【单选题】在探究凸透镜成像规律的实验中，小聪选用了焦距为10cm的凸透镜。他将凸透镜固定在光具座上50cm刻度线处，将点燃的蜡烛放置在光具座上35cm刻度线处，当光屏一动到如图所示刻度线处时，在光屏上恰好呈现出烛焰清晰的像。如果将蜡烛从图中位置移动，关于该实验下列说法正确的是（ ）
A.
蜡烛向左移动2cm，光屏应向右移动到适当位置才能呈现烛焰清晰的像
B.
蜡烛向右移动10cm，光屏应向右移动到适当位置才能呈现烛焰清晰的像
C.
蜡烛向右移动2cm，光屏应向右移动到适当位置才能呈现烛焰清晰的像
D.
蜡烛移到20cm刻度线处，光屏应移动到70cm刻度线处才能呈现烛焰清晰的像
【简答题】beautician electrician magician musician politician physician technician comedian
【单选题】The ideal physician-patient relationship is based on _____________.
A.
mutual trust and the ability to communicate
B.
ability of both the patient and the physician to cooperate
C.
the physician's skillful handling of the patient's problems
D.
an agreement on how the condition of the patient should be treated
【单选题】在探究凸透镜成像规律的实验中，小聪选用了焦距为10cm的凸透镜．他将凸透镜固定在光具座上50cm刻度线处，将点燃的蜡烛放置在光具座上35cm刻度线处，当光屏移动到如图所示刻度线处时，在光屏上恰好呈现出烛焰清晰的像．如果将蜡烛从图中位置移动，关于该实验下列说法正确的是．
A.
蜡烛向左移动2cm，光屏应向右移动到适当位置才能呈现烛焰清晰的像
B.
蜡烛向右移动10cm，光屏应向右移动到适当位置才能呈现烛焰清晰的像
C.
蜡烛向右移动2cm，光屏应向右移动到适当位置才能呈现烛焰清晰的像
D.
蜡烛移到20cm刻度线处，光屏应移到70cm刻度线处才能呈现烛焰清晰的像
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