题目：
小题1:Betty is ___________ to her friends, she often buys presents for them.
小题2:The （长度）of their summer holiday is about two months.
小题3:Drinking a glass of milk every morning is good for our h .
小题4:I got 10points and he got 6points, so he did the exercises more c________ than I.
小题5:English is one of the most important l .
小题6:There is a lot of t on the road at8 a.m. every morning.
小题7:The Three space _______(英雄) returned to Beijing on September 29th.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A, B, C, D, E解析：本题考查的是一般杂质检查。一般杂质有：氯化物、硫酸盐、硒、氟、氰化物、铁盐、重金属、砷盐、铵盐。
