Fit for Life

the length of a film/speech/play      keep sb. at arm's length
at length   1) for a long time:  george went on at great length about his various illnesses.
2) formal if sth. happens at length, it happens after a long period of time:
at length, the authorities allowed her to go home.
8. he noted that mould had grown on a special transparent jelly that had bacteria on it. (p19)  他注意到，帶有細菌的一種特殊的，透明的果子凍上長起了霉。
note
v.   n. [u] formal
there was nothing of note in the latest report.
noted  adj.  summer hill school is noted for its progressive policies.
she's not noted for her patience (= she is not a patient person).
9. it was not until world war ii that two other scientists managed to use new chemical techniques to purify it. (p19)直到二戰另外兩個科學家才設法使用新的化學方法來凈化它。
it was not until that… 這是一個not… until…結構的強調句型。
強調句型的結構為：it is/was +被強調部分+that…
高考鏈接
1. it was not until she got home _______ jennifer realized she had lost her keys. (全國ii)
a. when   b. that   c. where   d. before
2. it was after he got what he had desired _______ he realized it was not so important. (遼寧)
a. that   b. when   c. since   d. as
10. he named the chemical found in the mould penicillin and tried to make it pure to be a medicine, but was unable to do that. (p19) 他把霉里的化學物質命名為青霉素并盡力提純該物質以便制藥，但沒能做成。
name
v.   n. [c] please write your full (= complete) name and address on the form.
the students were listed by name and by country of origin.
pure  adj.  a pure cotton shirt
note: the opposite is impure.
purify   v. [t]  plants help to purify the air.
one of the functions of the kidneys is to purify the blood.
unable   adj. we were unable to contact him at the time.
11. they were able to produce it in large quantities. (p19) 他們能夠大量地生產它。
able  adj.   will she be able to cope with the work?
he's never been able to admit to his mistakes.
ability (power)     n. [c or u]
there's no doubting her ability.
she's a woman of considerable abilities.
1. be able to 不可以和can/could連用，可以和may/might連用；
2. could表示過去存在的狀態，而was/were able to表示過去發生的動作。
for example: he could swim at 10 and once he was able to swim across the river.
quantity  n. [c or u] we consumed vast quantities of food and drink that night.