2019高考英語備考單元知識搜索與探究歸納Unit7 Living with disease
a. freed b. freeing
c. to free d. having freed
解析:這里的free是作動詞，表示學生們被免除了數不清的作業……，因此free和students之間是被動關系，所以用過去分詞。
答案:a
歸納與遷移
(1)free from/of 不受傷害，不受影響，不受約束，不受阻礙
a healthy animal, free of disease沒有疾病的健康動物
free from harm, prejudice, pain 不受傷害，無偏見，無痛苦
(2)免費的，免稅的(常作表語，free of）
his income is free of all taxes.
他的收入是免稅的。
delivery is free (of charge) if goods are paid for in advance.
如果預付貨款就可以免費送貨。
(3)free v.使自由，釋放，擺脫
relaxation exercises can free your body of tension.
放松運動可以松緩身體的緊張。
必背句型
要點1 as with
【例題】_______ her mother, she prefers chinese medicine.
a. it is the same with
b. as with
c. to be with
d. as it is the same like
解析:as with就像……一樣。
答案:b
歸納與遷移
as with +n./doing/what從句=as it is the same with就像……一樣
as with many other countries, china has many social problems.
與其他國家一樣，中國也有許多社會問題。
fishing, as with embroidering, needs patience and persistence.
釣魚與刺繡一樣需要耐心和恒心。
as with what i said, he failed again.
正如我說的，他又失敗了。