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【单选题】
People can ______ new ideas which nobody ever considered before.A.
came into
B.
come up with
C.
come out
D.
come along with
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反馈参考答案：
举一反三
【多选题】Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet? (Select two answer choices.)
A.
Full-duplex Ethernet uses CSMA/CD to prevent collisions.
B.
Half-duplex Ethernet uses a loopback circuit to detect collisions.
C.
A full-duplex Ethernet card allows 20Mbps for data transmission.
D.
Full-duplex Ethernet makes use of two pairs of wires for data.
E.
An Ethernet hub can operate both half and full duplex simultaneously.
【单选题】下列描述，错误的是( )
A.
阈值是指能引起组织细胞兴奋所必需的最小刺激强度
B.
阈值越大，兴奋性越低
C.
阈值越小，兴奋性越低
D.
阈值越小，兴奋性越高
E.
阈刺激、阈上刺激是使细胞产生兴奋的有效刺激
【简答题】哈佛大学的西奥多·莱维特教授强调,在看产品问题上我们不能有“ ”——不能仅从产品的角度来看待,而应该从顾客的问题的角度来认识产品的性质和行业的性质。
【单选题】which of the following industries account for more than half of the gdp in canada?
A.
Primary industries.
B.
None of them.
C.
Tertiary industries.
D.
Secondary industries.
【简答题】Which of the following is the correct expression for the first and second half of the month of February? (1)( ) 01 -02 -2008 to 14 -02 -08 &15 -02 -2008 to 28 -02 -08. (2)( ) 01 -02 -2008 to 15 -02 ...
【简答题】Now, the 22-year-old art design major at Sichuan Fine Art Institute has 1) _________ his dream. His micro-blog works have more than 2) _________ followers, and soon he will 3) _________ his first book...
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