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【单选题】
有一混合蛋白质溶液 , 各种蛋白质的 p I 为 4.6 ; 5.0 ; 5.3 ; 6.7 ; 7.3 。电泳时欲使其中 4 种泳向 负 极,缓冲液的 p H 应该是
A.
4.0
B.
5.0
C.
6.0
D.
7.0
E.
8.0
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举一反三
【单选题】Mr. Richards, an export manager of a foreign company, ______ a secretary according to Dialogue B.
A.
wants to employ
B.
would like to see
C.
is talking to
D.
is ringring
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【简答题】Apply the cream sparingly ______ your face and neck.
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【单选题】计算机的诊断程序属于()。
A.
系统软件
B.
辅助设计软件
C.
应用软件
D.
编辑软件
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【单选题】词根luc表示bright,下列单词中词义是“阐明、说明”的是( )。
A.
pellucid
B.
elucidate
C.
translucent
D.
illustrate
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【单选题】_____ nose was red and ______  face was wet. [     ]
A.
his; her
B.
He; she
C.
His; her
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【简答题】2 . Robin Richards is skilled in art and computer-aided design, and previously worked for a publicity company.A. find suitable place to hold party B. Organise food and drinks(catering specialist neede...
查看完整题目与答案
【单选题】Mr. Richards, an export manager of a foreign company, ________ a secretary according to Dialogue B.
A.
wants to employ
B.
would like to see
C.
is talking to
D.
is ringing
查看完整题目与答案
【简答题】Richards生长方程(    )。
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【单选题】Your _____ the part of your face below the mouth and above the neck.
A.
shin
B.
forehead
C.
chin
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【单选题】---- ____ ---- Flying glass wounded me in the face and neck.
A.
What happened to you?
B.
How do you do?
C.
Nice to meet you.
D.
What’s that?
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相关题目：
【单选题】Mr. Richards, an export manager of a foreign company, ______ a secretary according to Dialogue B.
A.
wants to employ
B.
would like to see
C.
is talking to
D.
is ringring
查看完整题目与答案
【简答题】Apply the cream sparingly ______ your face and neck.
查看完整题目与答案
【单选题】计算机的诊断程序属于()。
A.
系统软件
B.
辅助设计软件
C.
应用软件
D.
编辑软件
查看完整题目与答案
【单选题】词根luc表示bright,下列单词中词义是“阐明、说明”的是( )。
A.
pellucid
B.
elucidate
C.
translucent
D.
illustrate
查看完整题目与答案
【单选题】_____ nose was red and ______  face was wet. [     ]
A.
his; her
B.
He; she
C.
His; her
查看完整题目与答案
【简答题】2 . Robin Richards is skilled in art and computer-aided design, and previously worked for a publicity company.A. find suitable place to hold party B. Organise food and drinks(catering specialist neede...
查看完整题目与答案
【单选题】Mr. Richards, an export manager of a foreign company, ________ a secretary according to Dialogue B.
A.
wants to employ
B.
would like to see
C.
is talking to
D.
is ringing
查看完整题目与答案
【简答题】Richards生长方程(    )。
查看完整题目与答案
【单选题】Your _____ the part of your face below the mouth and above the neck.
A.
shin
B.
forehead
C.
chin
查看完整题目与答案
【单选题】---- ____ ---- Flying glass wounded me in the face and neck.
A.
What happened to you?
B.
How do you do?
C.
Nice to meet you.
D.
What’s that?
查看完整题目与答案