On March 21, a passenger plane     1     132 people onboard crashed in Guangxi Zhuang autonomous region.

The China Eastern Airlines flight MU5735 left Kunming at 1:11 pm and was scheduled     2     (arrive) in Guangzhou at 3:05 pm. The aircraft was found to     3     (crash) in a mountainous area near Molang village in Tengxian County in the city of Wuzhou at 2:38 pm,     4     (cause) a forest fire.

In an instruction,     5     was issued shortly    6     the crash, President Xi Jinping said he was shocked to learn about the accident and asked for the immediate launch of an emergency response.

All-out search and rescue work was carried out immediately. Since the crash site is located in a mountain forest, the search for the black box relies    7     both drones (无人机) and the rescue staff. As of March 23, passengers’ personal belongings were found at the crash site, including wallets, ID cards and bank cards. But no     8     (survive) had been found.

China Eastern Airlines has grayed out its logo on its Sina Weibo account and also changed its website to black and white,     9     sign of mourning (哀悼), after the crash was confirmed.The Civil Aviation Administration of China has called for screening hidden risks    10     (promote) civil aviation safety.