【简答题】请你抓住诗眼,品析以下这首诗: 别董大 千里黄云白日曛, 北风吹雁雪纷纷。 莫愁前路无知己,天下谁人不识君。
【单选题】The low unemployment in Bra is mentioned to prove that ______.
A.
unemployment is in proportion to population
B.
a good concept works well in its birthplace
C.
the Slow City movement is successful in Bra
D.
tourism brings great job opportunities
【多选题】在间歇釜式反应器中中 ,等温恒容条件下进行反应,物料的初始浓度 CA0 相同,则每批反应物料达到一定转化率所需的反应时间,只取决于( )而与( )无关,反应器的大小只取决于反应物料的( )。
【判断题】恒温恒容条件下,间歇釜式反应器反应时间与平推流反应器空间时间的计算式相同,两者的生产能力相同。
【简答题】Read the verb forms on the right and put the verbs in the right boxes, depending on the pronunciation of ‘... ed ’.
【单选题】液压系统中,影响液压泵容积效率卜降的主要原因( )
【简答题】IV . Put the verbs in brackets into the correct form. They object to_________________________(speak) to like that.
【简答题】Put the verbs in brackets into proper forms, using some modal auxiliaries where necessary.