天眼FAST首次发现（）并得到国际认证。这是FAST继发现脉冲星之后的另一重要成果

Fast IP技术 “Slow” is the opposite __________”fast”.[ ] Why is it ________ so many people enjoy eating on the run?—Of course, the most obvious answer is that fast food is fast. After you read the article “Why fast food is slowly killing you”, youstop eating fast food. 世界最大单口径球面射电望远镜FAST近日首次发现距地球约4000光年的毫秒脉冲星，是迄今人类发现的（）。 北京时间2021年3月31日零点起，“中国天眼”FAST将正式向全世界开放，向全球科学家征集观测申请。下列关于“中国天眼”表述错误的是： （fast）an economy grows，（great） Jogging means running fast   Bad news _____ fast. Do they like fast food? For those who live in a fast food fantasy world, eating it every day, believing that it is fast, convenient and inexpensive, it can be catastrophic. Do you eat fast food , Sandy —— . I believe even eating a little fast food is also harmful to my health . Li Lin took the 8:00 bus to Fuzhou this morning—Really He _________ a fast train It’s much morecomfortable to travel by fast train These new cars are fast, ____ and flexible. People in Shenzhen live a life at a fast (). 脑卒中FAST试验F为（） 2020年11月，（）实现了500米口径球面电射望远镜（FAST）周边环境高分辨率干涉SAR观测数据的获取，这是世界上首次成功获取FAST周边环境的10厘米高分辨率雷达测绘影像 More and more Chinese people prefer to eat fast food to save time, so all kinds of fast food restaurantsare ________ in China now.[ ] The disease, ________, could spread very fast. ___(1): Is the 3D printing fast?