《周髀算经》成书于（）。A、周朝 B、秦朝 C、西汉 D、东汉 发布时间：2019-03-05 03:44 │ 来源：www.tikuol.com 题型：单项选择题 问题： 《周髀算经》成书于（）。A、周朝 B、秦朝 C、西汉 D、东汉
题型：单项选择题 完形填空。 Paris Paris is the 1 of the European nation of France, it is also one of the most beautiful and most famous cities in the world. Paris is called the City of Light. It is also an international fashion center. What stylish women are wearing in Paris will be 2 by women all over the world. Paris is also a famous world center of education. For example, it is the headquarters of UNESCO, the United Nations Educational, Scientific andCultural Organiza-tion. The Seine River divides the 3 into two parts. Thirty-two bridges 4 this scenic (景色美丽的) river. Paris is named by a group of people 5 the Paris. They 6 a small village on island 7 the Seine River about two thousand years ago. Today 8 eight million people live in the Paris area. ( )1、A、famous city ( )2、A、put on ( )3、A、country ( )4、A、cross ( )5、A、called ( )6、A、have built ( )7、A、in the middle of( )8、A、more B、area B、wear B、city B、across B、to be calledB、had built B、among B、around C、capital C、wearing C、tower C、over C、calling C、made C、between C、fewer D、country D、worn D、island D、on D、being called D、built D、over D、those 查看答案
题型：单项选择题 设备冷却系统的前低流量传感器发出告警时,EFIS的显示:（）A、EADI和EHSI变为空白B、EADI保持显示,EHSI变为空白C、EADI和EHSI仍有显示,扫描频率降为50HZD、以上都不对 查看答案