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【简答题】
如图甲所示,完全相同的木块 A 和 B 叠放在水平桌面上,在 10N 的水平拉力 F 1 作用下, A 、 B 一起作匀速直线运动,此时木块 B 所受的摩擦力为 ________N ;若将 A 、 B 紧靠着放在水平桌面上,用水平力 F 2 推 A 使它们一起匀速运动(如图乙所示),则推力 F 2 = _____ N
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【单选题】阅读选择题 1 中的阅读材料,完成此题。 3 . It is indicated in the text that __________.
A.
Indonesians are sensitive to password security
B.
young people tend to have secure passwords
C.
nag screens help little in password security
D.
passwords for credit cards are usually safe
【简答题】根据剖开物体的范围,可将剖视图分为 、 、 视图。
【单选题】What is the problem with the rug?
A.
Ms. Janet Perez feels it is too small.
B.
Ms. Janet Perez never ordered it.
C.
Ms. Janet Perez feels she was undercharged for it.
D.
Ms. Janet Perez ordered two but received one.
【简答题】根据剖开物体的范围,可将剖视图分为 、 、和 。
【单选题】听力原文： Janet's sister is a stewardess for a famous international airline, and Janet wants to become one too. Of course she is still too young. The minimum age for a stewardess is twenty and Janet is on...
A.
She hasn't graduated.
B.
She prefers to work in a travel agency.
C.
She isn't old enough.
D.
She cannot speak Spanish.
【单选题】Janet works for a toy company called K Co. She telephones Mary at P Co on a daily basis to order parts. Janet has no contact with customers but does deal with complaint letters from D Group, an organi...
A.
Janet only
B.
Janet and Mary at P Co
C.
Janet and D Group
D.
Janet, Mary and D Group
【简答题】阅读短文。完成 7～9 题。 第 7 题 填入[ 1 ][ 2 ]中恰当的词语是（ ）。
【简答题】根据剖开物体的范围,可将剖视图分为 视图、 视图和 视图 。
【简答题】阅读短文。完成 111～115 题。 第 111 题 填入[1][2]中恰当的词语是（ ）。
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