[单项选择]A new material ____, we have good reason to be optimistic.
A. developed
B. being developed
C. was being developed
D. was developed

[单项选择]We have good manners to show that we ______.

[单项选择]（） our good relations, we would not have quoted so low a price.
A. But for
B. For
C. If not
D. Except for

[单项选择]All of US have felt pain．We have cut ourselves．We have been burned．Or we have had headaches．Some of us suffer pain rarely pain rarely. ___________ (46) Pain can take complete control of our body and mind，making it impossible to move and even to think．Yet we need pain．Without it，we would not know．1f we have hurt ourselves．It is our body’s warning system. ___________ (47) Pain is the most common reason we go to a doctor It is the most common reason we take medicines．Until recently，however, most doctors knew of only a few drugs that stopped some pains ___________ (48)But new knowledge about the process of pain is helping them to control pain better． Scientists have learned that the sense of pain is made up of both chemical and electrical signals. ___________ (49)Scientists also have learned that the nervous system sends two different kinds of pain messages to the brain：one very fast，the other slow．The first message is the warning signal．It moves at a speed of 30 meters a second．In les

[单项选择]We have new methods ( )compensation trade and joint ventrue.
A. likes
B. as
C. like
D. /

[单项选择]We have to develop good eating habits because ______.
A. we want to eat more B. we want to enjoy our meals
C. we want to be healthy and strong D. we want to save time

[单项选择]Speaker A: We' Il miss you. Have a good journey.
speaker B:（）
A. I miss you, too.
B. How time flies.
C. Thank you for all you' ve done for me.
D. I' m pleased to be with you her

[单项选择]It is necessary that we ______ have a good command of English at college.
A. must
B. have to
C. should
D. ought to

[单项选择]If we do have that belief, we do not suppose that the cause might have happened, ______
A. might it
B. is it
C. will it
D. have it

[单项选择]We are （　） of the good service you have given to us.
A. grateful
B. obliged
C. appreciated
D. appreciative

[单项选择]A qualified teacher should have good manners and ______ knowledge.
A. extensive
B. expansive
C. intensive
D. expensive

[单项选择]We have made good friends ___________ each other.


A. with
B. from
C. for

[单项选择]Text 3 Scientists have found that although we are prone to snap overreactions, if we take a moment and think about how we are likely to react, we can reduce or even eliminate the negative effects of our quick, hard-wired responses. Snap decisions can be important defense mechanisms; if we are judging whether someone is dangerous, our brains and bodies are hard-wired to react very quickly, within milliseconds. But we need more time to assess other factors. To accurately tell whether someone is sociable, studies show, we need at least a minute, preferably five. It takes a while to judge complex aspects of personality, like neuroticism or open-mindedness. But snap decisions in reaction to rapid stimuli aren’t exclusive to the interpersonal realm. Psychologists at the University of Toronto found that viewing a fast-food logo for just a few milliseconds primes us to read 20 percent faster, even though reading has little to do with eating. We unconsciously associate fast food
A. trust our first impression
B. do as people usually do
C. think before we act
D. ask for expert advice