随堂演练
必修4-Unit 2
Ⅰ.单词拼写
1．He has been living here for a ________(十年)．
2．They hope to ________(扩大)their company.
3．Time is valuable. ________(因此)，we must treasure time.
4．“We ________(出口) them and then we need to import them，” James said.
5．The condition prevents the blood from ________(循环) freely.
6．They have to ________(减少) expenses this year.
7．I'm too tired to ________(专注于) on anything.
8．Can you show anything to prove your ________(国籍)?
9．The manager made no ________(评论)on my advice at the meeting.
10．The girl ________(挣扎) in the water when I passed by the river.
答案
1．decade 2.expand 3.Therefore 4.export
5．circulating 6.reduce 7.focus 8.nationality
9．comment 10.struggled
.用所给词的适当形式填空
1．The poor suffered from ________ (hungry)．
2．I wouldn't think of ________ (disturb) them at this hour of the night.
3．The ________ (circulate) of Learning English has reached ten million.
4．The people there are fighting to gain their ________ (free) from foreign control.
5．He returned from Paris and found his office was under someone else's ________ (occupy)．
6．There's a ________ (confuse) look on her face.
7．That was a historymaking ________ (discover) in medicine.
8．This is a ________ (chemistry) change, not a physical one.
9．They tried to increase ________ (produce) by using better methods and tools.
10．They need a lot of ________ (equip) to do the experiment.
答案
1．hunger 2.disturbing 3.circulation 4.freedom
5．occupation 6.confused 7.discovery 8.chemical
9．production 10.equipment
.单句语法填空
1．There was a ________ (satisfy) smile on her face.
2．The heavy rain made ________ hard to go to work as usual.
3．Since then, finding ways to reduce pollution ________ (be) his goal.
4．I can't afford ________ (buy) such a big flat.
5．He regretted ________ (waste) so much time playing computer games.
6．It's important to get rid ________ bad habits.
7．He avoided ________ (see) me by taking another way.
8．He had no choice but ________ (work) hard.
9．I focused ________ my lessons, which led ________ the progress.
10．He became the first farmer ________ (grow) rice on a large scale.
答案与解析
1．satisfied 形容词作定语。修饰人的表情，声音，微笑用ed 形式的形容词。
2．it it作形式宾语，代替后面的不定式。
3．has been since then与现在完成时连用。
4．to buy afford后跟不定式形式作宾语。
5．wasting/having wasted regret后跟动名词或having done，表示“后悔干过某事”。
6．of get rid of除掉。
7．seeing avoid后跟动名词形式作宾语。
8．to work have no choice but to do sth.别无选择只好做某事。
9．on; to focus on专注于；lead to导致。
10．to grow 序数词后用不定式形式作定语。
.课文语法填空
Yuan Longping, is one of China's most famous scientists. Over the past five decades, he __1__ (struggle) for an approach to__2__ (increase) the output of rice without expanding the area of the fields. Born in 1930, Dr Yuan graduated from Southest Agricultural College in 1953. Since then, __3__ (find) ways to grow more rice has been his life goal. At that time, __4__ (hungry) was a __5__ (disturb) problem in many parts of the countryside. In 1973, he became the first agricultural pioneer in the world __6__ (grow) rice that has a high output. His dream to help the world get rid __7__ hunger came true.
Dr Yuan is quite __8__ (satisfy) with his life but doesn't care __9__ being famous or leading a __10__ (comfort) life.
答案
1．has struggled/has been struggling 2.increasing
3．finding 4.hunger 5.disturbing 6.to grow 7.of
8．satisfied 9.about 10.comfortable