The workmen made so much _____ that Mrs. Walker had to spend three days cleaning up afterwards.

A. trouble　　 B. damage　　 C. mess　 D. nuisance

The workmen made so much _____ that Mrs. Walker had to spend three days cleaning up afterwards.
A. trouble　　 B. damage　　 C. mess　 D. nuisance

Of all living creatures on earth, insects are the most plentiful. Some 1 are very useful to man, for example, bees, 2 we get honey and wax, and silkworms, which 3 us with silk. Other varieties, 4 , are extremely harmful, and do a great 5 of damage, especially to crops. Locusts are perhaps the most dangerous of all, 6 they will eat almost any green 7 , and when millions of them 8 on cultivated land they soon leave it 9 . In some countries they are the farmers’ 10 enemy. Another nuisance is the common 11 , not only because it 12 us indoors and out-of-doors, but because it spreads diseases.

　　Scientists have given much time and 13 to the study of insects. It needs the most careful and 14 observation. Thanks 15 their discoveries we now know almost all 16 is to be known about the habits of these hardworking insects, bees and ants, which live in 17 better planned in some ways than our 18 . But the most valuable work has been done in trying to give 19 to men, animals and crops from the 20 which insects cause.

1．A．members             B．forms         C．qualities            D．varieties

2．A．by which             B．from which     C．of which            D．in which

3．A．give                 B．produce         C．offer               D．supply

4．A．however              B．meanwhile      C．offer              D．supply

5．A．majority              B．number         C．amount            D．what’s more

6．A．and                  B．for             C．if                 D．when

7．A．grass                B．field           C．fruit               D．plant

8．A．settle                B．attack          C．pass               D．cross

9．A．bare                B．nothing         C．empty              D．untouched

10．A．hardest             B．greatest         C．serious             D．wildest

11．A．insect               B．creature        C．fly                D．enemy

12．A．dislikes             B．bites           C．worries            D．hates

13．A．understanding        B．ideas            C．comprehension       D．thought

14．A．serious             B．patient         C．curious            D．long

15．A．for                 B．of             C．to                 D．with

16．A．that                B．which         C．there              D．what

17．A．societies             B．crowds         C．teams              D．organizations

18．A．world               B．nation       C．selves              D．own

19．A．help               B．protection    C．living              D．defense

20．A．injury               B．wound        C．sickness             D．ruin

Of all living creatures on earth, insects are the most plentiful. Some　 36　 are very useful to man, for example, bees,　 37　 we get honey and wax, and silkworms, which　 38　 us with silk. Other varieties,　 39　 , are extremely harmful, and do a great　 40　 of damage, especially to crops. Locusts （蝗虫） are perhaps the most dangerous of all,　 41　 they will eat almost any green　 42　 , and when millions of them　 43　 on cultivated land（耕地）they soon leave it　 44　 . In some countries they are the farmer’s　 45　 enemy. Another nuisance is the common　 46　 , not only because it　 47　 us indoors and out - of- doors, but because it spreads diseases.

　　Scientists have given much time and　 48　 to the study of insects. It needs the most careful and　 49　 observation. Thanks　 50　 their discoveries we now know almost all　 51　 is to be known about the habits of these hardworking insects, bees and ants, which live in　 52　 better planned in some ways than our　　53　 . But the most valuable work has been done in trying to give　 54　 to men, animals and crops from the　 55　 which insects cause.

　　36．A. members  B. forms  C. qualities  D. varieties

　　37．A. by which  B. from which  C. of which  D. in which

　　38．A. give  B. produce  C. offer  D. supply

　　39．A. however  B. meanwhile C. therefore  D. what's more

　　40．A. majority  B. number  C. amount  D. quantity

　　41．A. and  B. for  C. if  D. when

　　42．A. grass  B. field  C. fruit  D. plant

　　43．A. settle  B. attack  C. pass  D. cross

　　44．A. bare  B. nothing  C. empty  D. untouched

　　45．A. hardest  B. greatest  C. serious  D. wildest

　　46．A. insect  B. creature  C. fly  D. enemy

　　47．A. dislikes  B. bites  C. worries  D. hates

　　48．A. understanding  B. ideas  C. comprehension  D. thought

　　49．A. serious  B. patient  C. curious  D. long

　　50．A. for  B. of  C. to  D. with

　　51．A. that  B. which  C. there  D. what

　　52．A. societies  B. crowds C. teams  D. organizations

　　53．A. world  B. nation  C. selves  D. own

　　54．A. help  B. protection  C. living  D. defense

　　55．A. injury  B. wound  C. sickness  D. ruin