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【判断题】
若平面对一点的主矩为零，则此不可能合成为一个合力。A.
正确
B.
错误
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【简答题】A distributor has heard that one of the major manufacturers from which it buys is considering going direct to the consumer. What can the distributor do about this? What advantages can it offer the man...
【判断题】Manufacturer direct to consumer is a relatively costly way to distribute.
A.
正确
B.
错误
【单选题】下列各组词语中加点字,读音与所给拼音全都相同的一组是( )
A.
勒 lè 勒令 勒索 亲勒六军 悬崖勒马
B.
着 zháo 着凉 着数 不着边际 上不着天
C.
宁 níng 宁静 宁亲 息事宁人 宁缺毋滥
D.
嚼 jiáo 嚼舌 咀嚼 味同嚼蜡 咬文嚼字
【判断题】Task 6 ( )1. According to the report, both bedding specialty stores and the direct- to- consumer channel are gaining more shares in the industry.
A.
正确
B.
错误
【判断题】Direct-to-consumer (DTC) genetic testing is a type of genetic test that is accessible directly to the consumer without having to go through a health care professional.
A.
正确
B.
错误
【单选题】以下关于按传输技术对网络进行分类的描述中,错误的是
A.
通信信道的类型有两类：广播通信信道与点对点通信信道
B.
网络也可以分为广播式网络与点对点式网络
C.
广播式网络中所有联网计算机都共享一个公共的通信信道
D.
点对点式网络必须采用存储转发与介质访问控制机制
【单选题】Direct-to-consumer advertising took ______ in the medical field. For example, pharmaceutical companies advertised new medications on TV to the general public rather than just to providers.
A.
in
B.
down
C.
out
D.
off
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