doubt可作不及物动词，“怀疑，不信”, 在肯定句中常接whether / if 从句，在否定句中常接 that 从句
I doubt whether we can get the first place in the competition.
I don’t doubt that he will tell us the truth.
There is no doubt about sth. / that… 毫无疑问……
in return  作为回报, 作为回馈。in return for   作为…的回报
In return, we drove John back home.
I bought him a drink in return for his help .
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He entertained us with his stories and jokes. 
A museum should aim to entertain as well as educate.
Humour can not only entertain but also throw new light on sensitive or emotive issues.
注意：entertain的形容词形式有两个，entertained 和entertaining。如keep sb. entertained; sth. is entertaining.
health care facilities 医疗保健机构
On a typical day, we spend our time cheering up patients, their families, and more often than not, the hospital staff, too! (P2)
表示特殊的一天，前应用冠词on,表示特指。cheer sb. up使某人振作起来；注意，cheer sb on则表示“给某人加油”，more often than not,表示“通常，经常”，类似的表达还有“all too often”; the hospital staff 医院的工作人员， staff通常指某一单位或组织内的全体员工。

知识点
compete vi.    compete in 参加……比赛，在……竞争
compete for 为得到……而竞争compete with / against 与……竞争      compete to do sth. 争着做……
Students in class are sometimes competing for the teacher's attention.
They had to compete against several larger companies to get more buyers.
admit vt. & vi.  admit doing sth. 承认做某事      
be admitted into / to 被某单位录取(用)     be admitted as 被录用为
She admitted driving the car without insurance. 
He is admitted to Beijing University because of his great achievements. 
as well /as well as
My sister likes apples, and she likes oranges as well/too. 
My sister likes oranges as well as apples. 
stand for  代表；象征/
Who can tell me what WTO stand_for? 
take part in     参加

Some children, though, don’t feel like laughing, especially they’re in pain. We have to be very sensitive and work closely with the doctors and nurses, who keep us updated on each patient. (P2)
该句子中的though是副词，单独使用，通常与句子用逗号隔开，这时表示“然而，不过”，表示语气上的转折。如：
It’s a fine day today. A bit cold, though. 
另外追加though 当连词的两个用法，其一，相当于although, 引导让步状语从句，表示“虽然”，如：
Though I need money myself, I’ still willing to help.

—I don’t like this kind of music.
—_______. It’s too noisy.
A. Nor do I      B. Neither am I     C. Nor I do        D. Neither I am
How _______ I was when I heard the _______ news!
A. disappointing; disappointed      B. disappointed; disappointing   
C. disappointing; disappointing    D. disappointed; disappointed

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