D19 persist 20190130
1）使用《牛津英语搭配词典》查“persist”，了解它表示“继续存在”时的常用搭配。
continue to exist 持续
①、[搭配]ADV.
still, to this day 仍然持续；
存留到今天:a belief that persists to this day
存留至今的信念
indefinitely 无限期地持续下去
②、[搭配]VERB + PERSIST
be likely to 很可能持续tend to 往往会持续下去be allowed to 被容许持续下去:This situation cannot be allowed to persist.
不能容许这种情形持续下去了。
③、[搭配]PREP.
for 持续… 时间:If symptoms persist for more than a few days, see a doctor.
如果症状持续多日，就去看医生。
into 持续到…:These practices persisted into the Middle Ages.
这些做法一直延续到中世纪。
through/ throughout 持续整个…期间:The depression persisted through much of the 1930s.
20 世纪30 年代的大部份时间都是经济萧条。
until 持续到… 为止:The snows persisted until the second month of the new year.
雪一直下到第二年的2 月。
2）翻译下面的句子：
Despite official denials, the rumors still persist.
尽管官方予以否认，但谣言仍未平息。
（参考翻译：Despite official denials, the rumors still persist.）
3）结合自己的生活、学习、工作、兴趣等，想象在什么语境下会用到这个表达。先简要描述这个场景，再造句。
例子：
Despite the mainstream science community believe that genetically modified food is safe, the rumors still persist.
