novel coronavirus (2019-nCoV) 新型-冠状-病毒
severe acute respiratory syndrome (SARS) 严重-急性-呼吸-综合征
With the onset of economic depression in the late 1830s, however, state governments scrapped overly ambitious railroad projects.
According to the professor, how might researches predict the onset of coral bleaching in the future?
听力TPO38-L2So the spectacular-looking tulips so common today are the result not of chance viral infections, but of carefully controlled breeding.
For example, during the 1960s, there was an outbreak of CoT starfish in the Great Barrier Reef, off the east coast of Australia.
This happens in many work settings.
Did the whole play take place in one setting?
阅读TPO46-3Third, in a species-rich ecosystem, diseases may spread more slowly because most species will be relatively less abundant, thus increasing the average distance between individuals of the same species and hampering disease transmission among individuals.
To survive at those levels, animals must maximize their energy input, finding and eating whatever potential food source may be present.
First let’s mention that the sources of pollution are of two general types.
听力TPO44-L1Those kinds of treatments don't last very long.
阅读TPO17-3it defined such matters as the authority of a ship's officers, protocols of command, pay structures, the rights of sailors, and the rules of engagement when ships met one another on the sea-lanes.听力TPO40-C1Service standard refers to what a company, employees, are ideally supposed to do in order for everything to operate smoothly, the protocols to be followed.
疫情：飞沫阅读TPO4-3As muddy sediments are pressed together, the gas and small droplets of oil may be squeezed out of the mud and may move into sandy layers nearby.听力TPO44L1Light hits the water droplets and is scattered in random directions, causing the fogging effect.
Address crucial unknowns regarding clinical severity, extent of transmission and infection, treatment options, and accelerate the development of diagnostics, therapeutics and vaccines.