cody

摘要： Purpose of the PMBOK® Guide The primary purpose of the PMBOK® Guide is to identify that subset of the ProjectManagement Body of Knowledge that is generally recognized as good practice.“Identify” means... 阅读全文

摘要： [不规则动词:come,came,come]表示朝着说话人(或写作者)的方向移动:My brother came to visit. There's a storm coming. Here comes the train.也可以指说话人朝着听者的方向移动：I'll come down and open the door for you.We are coming on the ten o'clo... 阅读全文

摘要： [情态动词]能够可以做某事:Most birds can fly,but some can't .You can stay the night,if you like. Chocolate can be addictive. 语法结构 1 can/can't | + 不带to的不定式Eric can speak five languages.Can you ski?~No ,I can't.表示做... 阅读全文

摘要： [介词](1)在...旁边,在...附近;经过(某地):They sat by the fire. I drove by the new hotel.(2)在(某个时间)之前或在(某个时间):I have to be home by 11 o'clock.(3)由，被: Has he read anything by Janet Frame? The tiles were painted by... 阅读全文

摘要： [连词] 表示两个单词、词组、分句和句子之间的对比: It was cold but sunny. She ate the vegetables but not the meat. I liked her first book but the second was very disappointing.I have to go .~But it's only ten o'clo... 阅读全文