如图所示,把试管放入盛有20 ℃的饱和石灰水的烧杯中,试管中开始放入几小块锌粒,再滴入约5 mL盐酸于试管中,试完成下列问题:(1)实验中观察到的现象是①___________,②___________,③___________。(2)产生上述现象的原因__________________。(3)写出有关离子方程式__________________。(4)由实验可知ZnCl2溶液与H2的总能量__________锌粒和盐酸的总能量。
But for the leadership of our Party and our Government, we ________ these splendid results.
[ ]
A.have achieved
B.shouldn’t have achieved
C.should have achieved
D.would achieve