Our Body and Healthy Habits單元學案
e.g.
try this key and see whether it fits. 試試這把鑰匙，看看是否合適。（指the key 和the keyhole是否吻合）
i’m afraid this time doesn’t suit me. 恐怕這個時間對我來說不合適。
構詞解析：
fit, vt vi合適；adj.合適的；n 合身；合身的衣服；fitness, n, 適當，適合；健康；unfit adj.不適當的；vt.使不適當
practice
correct the mistakes in the following sentences.
1. her jeans suit a little bit tighter. ________
2. the color of the shirt doesn’t fit you.__________
key for reference
1. suit改成fit，（她的牛仔褲有點緊）
2. fit 改成suit（這件襯衫的顏色不適合你）
3. rare. adj. not often happening or seen, etc; unusual稀有的；珍貴的
rarely adv, not often, seldom 很少；難得
rarely和hardly, never, little, none, nothing等詞一樣，屬于否定意義的詞，表否定意義的詞或短語置于句首時，后面的句子應該部分倒裝，即主語要放在be動詞、情態動詞、助動詞的后面。
e.g.
snow is quite rare in my hometown.在我的故鄉下雪是罕見的。
we should protect rare animals. 我們應該保護珍稀動物。
it is rare for her to wear skirts. 她很少穿裙子。
i rarely watch tv now. 我現在很少看電視。
he is rarely late.他很少遲到。
rarely does she eat meat. 她很少吃肉。
rarely do i drink wine these days. 這些天來，我很少喝酒。
構詞解析：
rare, adj, 罕見的；稀有的；rarely, adv, 很少；難得；rareness, n, 稀有；珍奇；（空氣等的）稀薄
拓展：
表示頻率的副詞：always總是，usually 通常，frequently/ often經常，sometimes 有時，occasionally 偶爾，seldom/ rarely 很少，never 從不
practice
rewrite the following sentences without changing the meaning.
1. i have rarely seen such a beautiful sunset.
____ ____ ____ seen such a beautiful sunset.
2. he is rarely ill. ____ ____ ____ ill.
key for reference
1. rarely have i
2. rare is he.
4. toothache n.[c, u] pain in a tooth or teeth. 牙痛
e.g.
i’ve got a toothache.我牙痛。
he had a bad toothache.他的牙痛得厲害。
構詞解析：
ache (n) 疼痛，和表示身體部位的單詞結合構成復合詞，例如：
a headache頭痛，(a) toothache 牙痛，(a) backache 背（腰）痛，(an) earache 耳痛，(a) stomachache 胃痛
practice
put these sentences in the right order to make up a dialogue.
a. p: i must see the dentist（牙醫）now, nurse.
b. n: i’m afraid he can’t. can’t you wait till this afternoon?
c. p: that’s very late. can the dentist see me now?
d. n: the dentist is very busy at the moment. can you come at 2. p.m.?
e. p: i can wait, but my toothache can’t!
1. _____ 2. ______ 3. _______ 4. _______ 5. _______
key for reference
1. __a___ 2. __d_ 3. __c__ 4. ___b__ 5. __e___
5. unhealthy adj. not having or not showing good health；harmful to health不健康的；有害健康的。