【简答题】听对话,选图片。 1. What kind of pet does Jack like? 2. Which gift should Jack buy for his father's birthday? 3. What does the girl look like? 4. Which sign are they talking about? 5. What festival are they t...
【简答题】What does the man believe Jack will do? (1.0分)A. A. Jack will not be able to sell his house. B. · B. Jack was joking. C. C. Jack will give up his job.
【简答题】句型转换 1. Jack always goes travelling by train (对画线部分提问) Jack always travelling? 2. Wang Ming is taller than any other student in his class. (改为同义句) Wang Ming is in his class. 3. My English teacher oft...
【单选题】某热水供应系统采用间接加热,热媒供应能力为235600kj/h.该建筑的热水设计小时用水量为1200L/h(热水温度60℃),配水管网设计秒流量为2.3L/s.则水加热器宜选用以下哪种型式(冷水温度10℃)?()
【单选题】某热水热网的供回水温度为95°C/70°C,该热网的一供暖热用户采用散热器采暖,散热器承压能力为0.4Mpa,该热网回水管在该用户入口处的压力为50m水柱,则该用户与热网的连接宜采用( )。
【单选题】采用市政热力管网或锅炉作为一次热源的非超高层建筑,位于非严寒地区,空调热水供水温度宜采用