1.Life becomes possible when food is converted into energy and the energy in turn seek more food to grow and survive.(解词

1.Life becomes possible when food is converted into energy and the energy in turn seek more food to grow and survive.(解词：convert转换)
A.used to B.use C.is used to D.is accustomed to
2.Remember to after using the computer.
A.close down B.switch off C.turn on D.shut up
3.Unless you work hard,you are not to be promoted.
A.possible B.Probable C.Probably D.likely
4.Our teacher seems never to be content our school performance.
A.about B.with C.at D.in
5.The old lady worrying about her son’s safety since her son went travelling alone last month.
A.kept B.avoided C.stopped D.concentrated
6.With trembling hands,the old lady the bottle of poison.
A.put up B.turned up C.picked up D.ate up
7.We were outraged (感到愤怒) by the he treated his poor wife.
A.method B.behavior C.way D.manner
8.There are strong for and against euthanasia(安乐死).
A.debates B.arguments C.objections D.views
9.It’s a smart car,but it’s not worth the they are asking.
A.price B.cost C.bargain D.value
10.His remarks brought me to the sudden that we had made a terrible mistake.
A.moment B.knowledge C.information D.realization
语法单项练习
Choose the best answer to complete each of the following sentences
11.--- ---Mr.Ke
A.who teaches you English
B.who teach you English
C.Which one teaches you English
D.Which person teach you English
12.--- to the night school?---Three times a week.
A.How many times you go
B.How often do you go
C.When do you go
D.What time do you go
13.--- ---It’s Tom’s.
A.Whose this book is
B.Who this book belongs to
C.this book is whose
D.Whose book is this
14.--- from school?---About an hour’s ride.
A.How far is your home B.Where is your home
C.How long your home is D.What distance is your home
15.--- ---From my parents.
A.From whom have you received a letter
B.Whom you have received a letter from
C.Whom have received from you a letter
D.Who has a letter sent to you
16.--- do they charge for the service?---Only $12.
A.What money B.How many C.How much D.What price
17.--- have you waited outside the door?---Since early morning
A.How soon B.How long C.What time D.How far
18.--- the play?--- It’s very interesting.
A.How you like B.What do you like
C.What you think of D.How do you like
19.--- ---He’s an engineer.
A.How is your brother B.What job your brother has
C.What is your brother D.Your brother does what
20.--- pigeons in this cage?---Half a dozen,I guess.
A.How many…are there B.How much…are there
C.How many…have D.How many…there are