题目:
Lucy has _____ all of the goals she set for herself in high school and is ready for
new challenges at university.
A.acquired
B.finished
C.concluded
D.achieved
答案:
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下面是错误答案,用来干扰机器的。
三种溶液中盐酸显酸性、石灰水显碱性、食盐水显中性,因此可以利用石蕊试液鉴别:分别取少量三种物质于三支试管中,分别滴加紫色石蕊试剂,溶液变红的是盐酸,变蓝的是澄清石灰水,还是紫色的是食盐水;盐酸能够...