人教新課標(biāo)：必修4 Unit3 單元重點(diǎn)輔導(dǎo)
the box was so dirty that we couldn‘t pick out the directions on the label. 盒子太臟，我們看不清標(biāo)簽上的說明。
真題：this picture was taken a long time ago. i wonder if you can ________my father. （湖北）
a. find out b. pick out c. look out d. speak out
解析：表示從人群中“辨認(rèn)出”，用pick out，故選b.
4. cut off切斷，割下；隔開，斷絕；停止供應(yīng)
mind you don‘t cut your fingers off. 小心別切斷手指頭。
she feels very cut off living in the country. 她感到生活在鄉(xiāng)間很閉塞。
our water supply has been cut off. 我們斷水了。
真題：he was in hospital for six months. he felt as if he was ______from the outside world. （安徽）
a. cut out b. cut off c. cut up d. cut through
解析：表示與外界“隔絕”，用cut off （from…），故選b.
5. star in 主演，在……中擔(dān)任主角
she has starred in some thirty films. 她主演過大約三十部影片。
6. knock into撞上，撞見
the boy knocked into her. 那個(gè)男孩撞到了她身上。
i knocked into an old friend of mine in the park. 我昨天在公園里碰見一位老朋友。
7. bump into 碰上，偶遇，邂逅（= meet sb. /sth. by chance）
i bumped into an old friend of mine in the street yesterday.我昨天在街上遇到一個(gè)老朋友。
the bus bumped into the car in front.巴士撞上了前面那輛汽車。
8. in search of 尋找，尋求
they came here in search of new markets for their products. 他們來此為他們的產(chǎn)品尋找新市場。
they started off at once in search of （=in their search for） the missing girl. 他們立刻動(dòng)身尋找那個(gè)失蹤的女孩。
注：若名詞search前有物主代詞或冠詞等限定詞時(shí)，多用介詞for.
9. be/get caught in a rain / traffic jam遇上雨/交通阻塞
we got caught in the storm. 我們碰上暴雨了。
caught in a rain， he was wet all over. 淋到了一場雨，他全身都濕了。
i was caught in the traffic jam. that‘s why i was late. 我遇上阻車了，這就是我遲到的原因。
10. as if = as though 好像 似乎
as if 引導(dǎo)狀語或表語從句時(shí)，從句內(nèi)容若是事實(shí)用陳述語氣，若不是事實(shí)就用虛擬語氣（be一般用were）。如：