【单选题】
IP数据报的标志位有三位,其中DF(Don’t Fragment)位为1表示
【简答题】
观察以下实例,说明汉语和英语在回答是非问句时的异同,并分析导致这种现象的原因。(1)你喜欢这部电影吗?—— a、是的,我喜欢。/ b、不,我不喜欢。(1’)Do you like this movie? —— a、Yes,I like it./ b、No,I don’t like it.(2)你不喜欢这部电影吗?—— a、是的,我不喜欢。/ b、不,我喜欢。(2’)Don’t you like this movie? —— a、No,I don’t like it./ b、Yes,I like it.
【单选题】
11. -Will the foreigners have any problems talking with Chinese in 2008? -I don’t think so. Now ______ the young ______ the old can speak some English.
【单选题】
-Johnson has promised us that he will help ?us out to his best ability.
-I don’t buy it. In my opinion, ?he _______ so kind.
【单选题】
What role does a teacher play in the following activity? While doing a writing task either individually or in groups, the students need to use a particular word they don’t know. So they ask the teacher.
【单选题】
What role does a teacher play in the following activity? When a student has made a sentence with borrow, “I borrowed a paper to write a letter”, the teacher says, “Well, we don’t say a paper, we say a piece of paper.”
【单选题】
若f(t)=t^3+1,则f(t^3+1)= ( )
【单选题】
某工程需水泥360t,甲地可供100t,原价210元/t,乙地可供120t,原价220元/t,丙地可供140t,原价230元/t,则水泥的加权平均原价为【】
【单选题】
Don’tsmokehere,oryouwillbefined.-----Yes,thereisasign:No_________.<br/>