皮皮学,免费搜题
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搜题
【单选题】
义齿应浸泡在哪种液体内
A.
清洁的冷水中
B.
温开水中
C.
75 %乙醇中
D.
0.1 %醋酸溶液中
E.
以上均可
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举一反三
【单选题】在原子吸收光度法中,当吸收1%时,其吸光度应为( )
A.
2
B.
0.01
C.
0.044
D.
0.0044
【判断题】网页文档结构必须要包括编码转换的信息,否则可能会出现乱码
A.
正确
B.
错误
【单选题】---Why are you so excited today? ---We were told _________ a picnic this weekend.
A.
have
B.
to have
C.
having
D.
had
【单选题】When I said that someone was late for the meeting,  I________you.Why were you so angry at that time? [     ]
A.
didn't refer to
B.
wasn't referring to
C.
haven't referred to
D.
hadn't referred to
【单选题】. — Why were you so late for work today? — ____ to the office was not very easy this morning because of the traffic.
A.
Drove
B.
Driving
C.
I drove
D.
What I drove
【单选题】在原子吸收光度法中,当吸收1%时,其吸收光度应为( )。
A.
2
B.
0.01
C.
0.044
D.
0.0044
【单选题】听力原文:M: Ordinarily you never seem to be nervous. But why were you so nervous just now when the professor called on you? W: You know, I didn't enter my house until I found my key at 11 o'clock last nig...
A.
She was afraid of the professor.
B.
She didn't enter her house.
C.
She didn't make full preparations for her lessons.
D.
She lost her key.
【单选题】-Why are you so late? -Bad luck.A car accident happened not far outside the town,and so we were________on the way. [     ]
A.
stopped
B.
kept
C.
held up
D.
prevented
【单选题】在原子吸收光度法中,当吸收 1% 时,其吸光度应为( )。
A.
0.0044
B.
0.01
C.
2
D.
0.044
【单选题】--- Why were you so late for work today? --- ________ to the office was very slow this morning because of the traffic.
A.
Driving
B.
I drove
C.
To drive
D.
That I drove
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