【单选题】工作D有三项紧前工作A、B、C,其持续时间分别为:A3d、Bd、C5 d,其最早开始别为:A4 d、B5 d、C6 d,则工作D的最早开始时间为( )。
【单选题】Nowadays an overwhelming majority of people are ( ) to advertisements. They tend to purchase whatever the advertisements call on them to purchase.
【单选题】工作M有三项紧前工作E,F、G,其持续时间分别为E=3d.F=7d,G=5d,其最早开始时间分别为E=4d,F=5d,G=6d,则工作G的自由时差为( )d。
【单选题】工作D最早开始时间为15.工作D有三项紧前工作A、B、C,其持续时间分别为:A=3、B=7、C=5,其最早开始时间分别为A=4、B=5、C=6,则工作C的自由时差为()。
【单选题】She hasn’t brought ________ pen with her.Will you lend her ________?
【单选题】Nowadays, young Chinese tend to celebrate western day of love.
【判断题】短路状态时:电流很大,电源端电压与电动势相等。
【单选题】In Paragraphs 2 and 3 the author wants to say that ______.
A.
people nowadays become more interested in science matters
B.
the researchers nowadays are more interested in developing all the good-for-you stuff
C.
some people want to find things which are beneficial to their health
D.
people nowadays tend to overstate and publicize what they have done
【单选题】首次提出 “一个国家,两种制度”概念的是