小题1:This summit produced a _____________ (突破) in the relations between the two countries.

小题2:It looks ___________ (完美的) on you.

小题3:Science ___________ (小说) is often about things that we believe may be possible in the far future.

小题4: Oil has a density lower than 1000 kg/m³,so it will ______ (漂浮) on water.

小题5:They are famous as the ___________ (自由) fighters.

小题6:The plane is now flying at an ________ (海拔，高度) of 30,000 feet.

小题7: The last day of Kwanzaa is marked by a __________（盛宴）, where a lot of people enjoy a big meal.

小题8:Segregation eventually disappeared and a new _________ (黎明)seemed to arrive.

小题9:The pains of slaves were brought from Africa by ___________ (贪婪的) slave traders.

小题10:The police ________ (逮捕) a black woman who refused to give her seat to a white man.

关于基站扩容的描述，哪个是错的？（）

A、如果采用CDU-C，载波数由4扩到5时，需要增加一根天线及一个CDU。

B、如果采用CDU-C+，载波数由4扩到5时，需要增加一根天线及一个CDU。

C、如果一个基站的配置为6+6+8，配置2条E1传输，则扩到8+8+8时需增加一条传输

D、某小区采用CDU-D，载波数从6扩到10时，原先的第二条接收天线要改为TX/RX天线