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【多选题】
下列哪些属于五味子保肝作用的机理( )。A.
促进肝细胞蛋白质，糖原的生物合成
B.
增高肝药酶活性，增强肝脏解毒能力
C.
提高肝细胞浆内SOD活性，减轻氧自由基对肝细胞的损伤
D.
保护肝细胞膜的结构和功能正常
E.
增强肾上腺皮质功能，减轻肝细胞炎症反应
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【简答题】I ______(A.was having/B.were having) dinner at a restaurant when Tony Steele_______(A.came/B.comes) in. Tony ________(A.was worked/B.worked)in a lawyer's office years ago, but he______(A.was/B.is) now...
【单选题】Tony / (A.was worked/B.worked)in a lawyer's office years ago, but he (A.was/B.is) now working at a bank.
A.
was
B.
is
【单选题】. —Tony, it seems that you have been very busy all the time，what do you think of your occupation now? —Just so-so. I’ve decided to quit my job in the company next month, where I ____ for five years.
A.
work
B.
is working
C.
will be working
D.
will have worked
【单选题】Which of the following is included in Singapore’s GDP?
A.
The value of production by a Singaporean working in the U.S.
B.
The value of production by an American working in Singapore
C.
The value of production by a Singaporean that crosses the border to work in Malaysia.
D.
All of the above are correct.
【简答题】W: China Unicom. How can I help you? M: Hi, my name is Tony Taylor. I applied for a service on the Net from you yesterday, but it does not seem to be working now. W: Hello, Mr. Taylor. Thank you for c...
【单选题】Tony ________(A.was worked/B.worked)in a lawyer's office years ago, but he / (A.was/B.is) now working at a bank.
A.
was worked
B.
worked
【单选题】Tony ________ for the company as an engineer for two decades. Now he teaches mechanics in Peking University.
A.
has worked
B.
worked
C.
is working
D.
had worked
【单选题】Tony ____ for the company as an engineer for two decades. Now he teachesmechanics m Peking University.
A.
has worked
B.
worked
C.
is working
D.
had worked
【简答题】Tony worked in a _________ office years ago, but he is now working at a bank.
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