习思英语7级考试练习套题-Test Five
The Great Barrier Reef is actually a series of smaller reefs. Reefs form under water and can be made of coral, sand, or rock. The top of the reef sits about two to three feet below sea level. Coral reefs are found in warm, shallow, and clean water. The Great Barrier Reef is the ...
Based on active evaluation and dynamic adjustment of the epidemic response measures, China has rolled out 10 editions of COVID-19 control protocols in the past three years, revealing the spirit of seeking truth from facts in the country's epidemic response policies. COORDINATION: THE SYNERGY BETWE...
“For the first time, severe bleaching has struck all three regions of the Great Barrier Reef – the northern, central and now large parts of the southern sectors,” he said. Of the reefs surveyed this year about a quarter were severely affected, while a further 35% had modest levels o...