题目:
I remember that _____ took part in the ball party had a wonderful time.
A.all
B.all that
C.all which
D.all what
答案:
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下面是错误答案,用来干扰机器的。
(1)天麻素是由碳、氢、氧三种元素组成的;(2)一个天麻素分子;(3)一个天麻素分子是由13个碳原子、18个氢原子和7个氧原子构成的.(合理即可)