【推荐1】Scientists are afraid that some day an even bigger earthquake will s___ the area. (根据首字母单词拼写)

【推荐2】A strongest earthquake s___________ the northeastern United States early on Saturday.（根据首字母单词拼写）

【推荐3】An earthquake of magnitude 6.4 s________ eastern Turkey last night. （根据首字母单词拼写）

【推荐1】He was dressed in an old overcoat, ________(表明) that he was living a hard life.  (根据汉语意思单词拼写)

【推荐2】Loss of sleep is a common problem in modern society, a________ the quality of people’s life. (根据首字母单词拼写)

【推荐3】China launched the Tiangong 2 space lab and Tianzhou 1, s_______(标志着) one step further in China’s plan to establish a space station in the future. （根据中英文提示填空）