原标题：Zika threat and back from space 寨卡病毒威胁美国，国际空间站宇航员返回地球
寨卡病毒Zika threat to the US 寨卡病毒威胁美国
The threat of the Zika virus reaching the US has come a step closer. Scientists are warning that hundreds of thousands of people in the American territory of Puerto Rico could become infected in the coming months and possibly spread Zika to the US itself.
寨卡病毒被传入美国的威胁进一步升级。科学家们警告说成千上万居住在波多黎各美国领土上的人们可能在未来几个月中被感染寨卡病毒并有也可能将病毒传入美国境内。
Back from space after a year 宇航员在国际空间站工作一年后返回地球
A Nasa astronaut and a Russian cosmonaut are back on Earth after spending nearly a year on board the International Space Station. Their research will help plan a future manned mission to Mars.
一位美国国家航空航天局宇航员与另一位俄国宇航员在国际空间站中工作了快一年后重返地球。这两位宇航员在太空中的研究将被用来帮助计划未来载人登月任务。
词汇
warning 警告
manned 有人控制的，载人的
练习
请从以下词汇中选择适当的答案来完成句子。注意：你可能需要改变单词的时态来完成句子。
warning / manned
1. For the first time in over 50 years, a __________ submarine has reached the deepest place in the ocean: the Mariana Trench.
2. Max, you know you have to finish your homework before going out. Your teacher __________ you that you'll fail if you don't do it on time.
答案
1. For the first time in over 50 years, a manned submarine has reached the deepest place in the ocean: the Mariana Trench.
2. Max, you know you have to finish your homework before going out. Your teacher warned you that you'll fail if you don't do it on time.
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