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【多选题】
Listen to the whole advertisement and choose the true statements .
A.
ENet Company can help you set up the network by yourself.
B.
Data networks these days have become more and more important.
C.
ENet Company can help you set up secure, high-speed and cost-effective network.
D.
According to the ad, the Intranet and Internet are converging nowadays.
E.
If you would like more information on how the company can help with your network connectivity questions, you contact the company through either the email or the phone.
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【单选题】艾滋病被称为“20世纪的瘟疫”,艾滋病病毒以人体内的作为攻击目标。
A.
红细胞
B.
血红蛋白
C.
淋巴细胞
D.
神经系统
【单选题】Transgenic mammals that secrete monoclonals in their milk can generate one gram of antibody for roughly $100—one third the price of traditional production methods, most scientists agree, but still too...
A.
revolutionary
B.
efficient
C.
cost-effective
D.
regarded
E.
feasible
【单选题】Definition of M onoclonal Antibod ies
A.
It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid.
B.
Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane .
C.
T he specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen .
D.
The smallest distance between two points on a specimen that can still be distinguished as two separate entities .
E.
They are made by identical immune cells from a unique parent cell .
【单选题】艾滋病被称为“20世纪的瘟疫”,艾滋病病毒人体内的________ 作为攻击目标。
A.
红细胞
B.
血红蛋白
C.
淋巴细胞
D.
神经系统
【单选题】交流异步电动机Y/△启动适用于( )联结运行的电动机。
A.
三角形
B.
星形
C.
V形
D.
星形或三角形
【单选题】Definition of M onoclonal Antibod ies
A.
It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid.
B.
Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane .
C.
T he specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen .
D.
The smallest distance between two points on a specimen that can still be distinguished as two separate entities .
E.
They are made by identical immune cells from a unique parent cell .
【判断题】离合器踏板没有自由行程会造成离合器打滑。
A.
正确
B.
错误
【单选题】交流异步电动机 Y /△ 启动适用于( )联结运行的电动机。
A.
三角形
B.
星形
C.
V 型
D.
星形或三角形
【单选题】商业创业的过程包含哪些部分:1把握商机;2创建创业组织;3创造经济价值;4创造社会价值。
A.
①③
B.
②③④
C.
①②④
D.
①②③④
【单选题】下列有关海关监管代码“1210”的说法正确的是
A.
简称保税电商
B.
只适用于进口
C.
只适用于出口
D.
只适用于企业出口
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