1.fracture
n. 折断，断裂，破碎；骨折
compound fractures 复合骨折
v. 折断，破碎
fracture one’s leg 折断腿
[同]break , crack
2.fragile
adj. 脆的，易碎的
fragile china 易碎的瓷器
[同]delicate
adj. 体质虚弱的
[同]weak
3.fragrant
adj. 香的，芬芳的
[同]perfumed
adj. 愉快的，甜蜜的
fragrant memories 甜蜜的回忆
4.frail
adj. 脆弱的，虚弱的
a frail child 体质虚弱的孩子
[同]fragile
5.freight
n. 运费
freight paid 运费已付
6.freshen
v. （使）新鲜，（使）复活
feel freshened up after a shower 淋浴后感到舒畅
7.fret
v. （使）烦恼，（使）焦急
Don’t fret over trifles. 勿为琐事烦恼
[同]annoy
v. 腐蚀，磨损
fretted rope 磨损了的绳子
8.fright
n. 惊吓，恐怖
take fright （at sth.）（因某事）吃惊
[同]fear
[难点]
give sb. a fright 使某人大吃一惊
9.frightful
adj. 可怕的，令人恐怖的
[同]dreadful
10.fringe
n. 边缘
[同]edge
n. 须边，流苏
vt. 作为…的边缘
a roadside fringed with trees 植有树的路边
[难点]
on the fringe of … 在…边缘
11.fro
adv. 往，去，回，向后
She walked to and fro. 她来回地走着。
12.frock
n. （女）上衣，（童）外衣；僧袍
13.frustrate
vt. 挫败，使灰心
The bad weather frustrated all our hopes of going out.
坏天气使我们外出的希望彻底破灭了。
14.furious
adj. 狂暴的，猛烈的，狂怒的
a furious storm 猛烈的暴风雨
[同]violent
[难点]
be furious with sb. 对某人狂怒
be furious at sth. 对某事发火
15.fury
n. 狂暴，（尤指）愤怒
16.fuse
n. 保险丝；导火索
v. 溶合，熔化
17.fuss
n. 忙乱，大惊小怪，急躁
v. 小题大做，（使）为琐事烦扰
[难点]
make a fuss over / about … 对…大惊小怪
Don’t make a fuss about / over trifles. 不要为区区小事而大惊小怪。
fuss about / over 为…烦扰
Don’t fuss over the children so much. 不要为孩子们过于操心。
六级范文：
Directions:
1．电影观众越来越少
2．电视观众越来越多，因为...
3．然而，还是有人喜欢看电影，因为...
Film Is Giving Way to TV
Nowadays there are fewer and fewer cinema-goers and the cinema is slack松弛. However, there are more and more TV viewers. There are many reasons for this social phenomenon, but in general, they come down to 归结为three major ones.
First, film tickets are too expensive, while it doesn't cost much to watch TV at home. Besides, it is time-consuming and inconvenient to go to the cinema. Nevertheless然而, it is very convenient and comfortable to watch TV at home. You needn't go out but just need to turn on the television. Most important of all, if you don't like the film you'll have to sit through it; but if you don't like one programme on TV, you can shift to another.
However, some people still go to the cinema. They usually go to the cinema for the purpose of social contact. Young people go dating there. Other people go to the cinema as an activity. For example, schools often organize children to go to the cinema. Sometimes employees also go to the cinema with the film tickets presented by their institutions.