6．The temperature staysabove（在…之上） zero in winter here．You don't have to carry many clothes with you．

5．The scientists have designed manyexperiments（实验） to test the ability of dogs to see colour．

4．Now that different people like to do different things，we will make a long list ofhobbies
for choices．（hobby）

3．Our country is one of the mostpowerful nations in the world．（power）

2．

impolite  stand  side  welcome   suppose

W：How was the（56）welcome party for foreign students last night？
M：Great!I made some new friends．But a funny thing happened．
W：What？
M：I met a Japanese boy called Sato，and as soon as I held out my hand，he bowed．
W：That's how people in Japan are expected to greet each other．It's （57）impolite  if you don't bow．
M：I didn't know that．So I just （58）stood  there with my hand out．Finally，I returned the bow．
W：I remember when I first met Marie last year，I did the same thing．I held out my hand and to my
surprise，she kissed me on both （59）sides of my face!
M：I wouldn't mind that!
W：Very funny．I found out French people are （60）supposed  to kiss when they see each other．

1．Comp lete the dialogue with proper words or sentences．
      A--salesgirl         B--customer
A：Good afternoon，can I help you？
B：Yes，（56）I want to buy a pair of sports shoes．
A：We have different kinds of sports shoes．They're all in style．What color would you like？
B：I prefer blue．
A：（57）What's the size of your foot？
B：Size 40．
A：What do you think of this pair？
B：Great!（58）Can I try them on？
A：Certainly．This way，please．
B：Oh，they fit me very well．（59）How much are they？
A：500 yuan．
B：（60）They are too expensive．I can't afford．
A：Well，I'll give you a 20% discount．
B：OK．I'll take them．

15．

A）realize  B）public  C）experiment  D）pollution  E）plastic

The scientist was in a hurry．She had to get some water for her （46）Cbefore darkness fell．She was testing the water in the rivers that went into the ocean．Her job was to find out the cause of （47）Din the sea at nearby beaches．She lifted out the water and looked angrily at the rubbish in it．Old clothers，（48）Ebags and pieces of paper were in the dirty water．"Don't people （49）Athat everything they throw onto the street gets washed into rivers？And they lead right into the ocean!"she said loudly．"How many years will it take to make it clean again？"

14．-The Art Festival is coming．We're going to watch the play Twelfth Night．
-    ．（　　）

	A．	That's all right		B．	Never mind
	C．	You're welcome		D．	Enjoy your time

13．The nurse won't leave her patients    she's sure they are all taken good care of．（　　）

A．

unless

B．

because

C．

since

D．

if

12．The flight was delayed by the storm，    the passengers had to wait at the airport．（　　）

A．

but

B．

or

C．

so

D．

for