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【单选题】
(2008)10+(5B)16的结果是 ( )。
A.
(2089)10
B.
(833)16
C.
(4163)8
D.
(100001100011)2
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举一反三
【单选题】目前公认的必需脂肪酸是
A.
亚麻酸和花生四烯酸
B.
亚油酸
C.
亚油酸和α亚麻酸
D.
α-亚麻酸
E.
 花生四烯酸
【单选题】目前公认的必需脂肪酸是:
A.
亚麻酸和花生四烯酸
B.
亚油酸
C.
亚油酸和а亚麻酸
D.
а亚麻酸
E.
花生四烯酸
【单选题】目前公认的必需脂肪酸是
A.
亚麻酸
B.
亚油酸
C.
花生四烯酸
D.
α-亚麻酸
E.
以上都不对
【单选题】— When _____________ you come to China? — I came on Tuesday. [     ]
A.
did
B.
do
【单选题】—When did you uncle arrive China? — He got to Guangzhou _______ the morning of April 16 th .
A.
at; in                    
B.
in; in                 
C.
in; on
【单选题】必须从食物中摄取的脂肪酸称为必需脂肪酸,目前公认的必需脂肪酸是()。
A.
油酸
B.
亚油酸
C.
软脂酸
D.
硬脂酸
【单选题】— When did Tom come to Qingdao? — It was in July,2006 and he a trip in China with his parents at that time.
A.
would take
B.
had taken
C.
was taking
D.
had been taking
【单选题】—When did he leave for China? —______ a sunny morning. [     ]
A.
In
B.
At
C.
On
【单选题】— ______ did your aunt leave China? — She ______ for three years. [     ]
A.
When; has left
B.
When; has been away
C.
How long; has left
D.
How long; has been away
【单选题】—Could you tell me _______? —Of course, last night. [     ]
A.
when you reached China
B.
when did you reach China
C.
how you came to China
D.
how did you come to China
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