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问题 单项选择题

（）是指权利人依法对他人的物，依照法律的规定享有占有、使用、收益的权利。

A.所有权

B.用益物权

C.担保物权

D.支配权

答案

参考答案：B

解析：

用益物权是指权利人依法对他人的物，依照法律的规定享有占有、使用、收益的权利。

单项选择题

有机水产养殖允许采用以下何种繁殖方式？（）

A、三倍体

B、人工授精

C、克隆

D、孤雌繁殖
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单项选择题

A typical application of this (71) is ADSL. It is emerging as the technology for home-and small-office Internet connectivity. It provides either 1.5 Mb/s～8 Mb/s from the network to the user and 64 kb/s～512 kb/s in the reverse direction depending on the distance, 12000 or 18000 feet. The different speed for each direction gives it the (72) label. ADSL is designed to take advantage of the fact that video-on demand, telecommuting, and Internet access traffic are inherently asymmetrical. The user (73) a brief message up to the network and receives a ton of data coming back, either a movie or a piece of data download. Under such a scenario, low-speed traffic to the network is just fine. ADSL .delivers high (74) where you need it and only uses a single copper pair. Through multiplexing, it also reserves (75) of the bandwidth for POTS.

A．2 kHz

B．4 kHz

C．16 kHz

D．64kHz
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