Streams in such areas are more likely than ---- in rural are

填those这种题目有两种情况,一是that,二是those：eg:1。Cars in China are more expensive than those in America。(当主语为可数名词复数时,后面的指代用those)2。The weather in Beijing is much colder than that of Guangzhou。(当主语为不可数名词时,后面的指代用that)