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【判断题】
两个相互配合的螺纹，其旋向相同。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】脂溶性维生素包括维生素 A、A、D、E、K B、A、E、C、D C、A、K、C、D D、E、B、K、D E、A、B、C、D
【单选题】Which of the following requires the least working time?
A.
Part time jobs as salesclerks.
B.
Part time jobs as babysitters.
C.
Part time jobs at landscaping teams.
D.
Part time jobs at National Saving Bank.
【简答题】A．Part-time jobs and studying. B．Late night parties and studying. C．Part-time jobs and marriage. D．Marriage and insomnia.
【单选题】This passage is intended to __________.
A.
discuss part-time jobs for students in general
B.
encourage students to take up part-time jobs
C.
show the benefits of part-time jobs to students' studies
D.
praise boys and girls who work part time
【简答题】A．A—B—C—C—I—K A—B—C—H—J—K A—B—C—D—E—F—G B．A—B—C—H—I—K A—B—C—H—J—K A—B—C—D—E—F—G—C—H—I—K A—B—C—D—E—G—C—H—I—K C．A—B—C—H—I—K A—B—C—H—J—K A—B—C—D—E—F—G—C—H—I—K A—B—D—E—G—H—J—K D．A—B—C—H—I—K A—B—C—H—J—K A—...
【简答题】设有广义表K 1 (K 2 (K 5 (a,K 3 (c,d,e))，K 6 (b,k)，K 3 (c,d,e)，K 4 (K 3 (c,d,e),f))，要求：
【简答题】A．Part-time jobs and studying. B．Late night parties and studying. C．Part-time jobs and marriage. D．Marriage and insomnia.
【单选题】下面有关3DES的数学描述，正确的是()
A.
C=E(E(E(P,K1),K1),K1)
B.
C=E(D(E(P,K1),K2),K1)
C.
C=E(D(E(P,K1),K1),K1)
D.
C=D(E(D(P,K1),K2),K1)
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