【简答题】选择题: 1.I am sorry to have kept you ____. A. wait B. to wait C. waiting D. waited 2.I will make your dream ____. A. comes true B. to come true C. coming truly D. cometrue 3.He found ...
【单选题】在20世纪70年代,由于石油价格上涨,导致许多西方发达国家产生了通货膨胀。此类通货膨胀属于( )。?
【判断题】相同种类的材料,其孔隙率大的材料比孔隙率小的材料密度大
【单选题】Although a teenager, Fred could not resist ______ what to do and what not to do.
【单选题】No matter how experienced a speaker you are, and how well you have prepared your speech, such a noisy reception as that is ______ to be very off-putting.
【判断题】相同种类的材料,孔隙率大的比孔隙率小的密度大。
【判断题】河水流量与废水流量比值越大,达到完全混合均匀的距离越短。
【单选题】下列各项支出中,不构成外购存货成本的是( )
【单选题】下列哪一个不是影响化学平衡移动的因素 ( )
【单选题】A large proportion of important ___________are brought about by people who step outside of conventional categories o rtraditional assumptions.