“The main advantage of microlensing is the signals for low­mass planets：They’re not weak signals.They’re just rare，” Bennett of the University of Notre Dame in Indiana said by telephone.“If there happens to be a straight line between a foreground star with its planet and the background source star，then you’re able to detect that planet.”

　　5．The underlined word “detected” in Paragraph 1 probably means “

　　”．

　　A．discovered

　　B．destroyed

　　C．created

　　D．searched

　　答案　A

　　解析　词义猜测题。由第一段第一句“A new planet­hunting technique has detected the most earth­like planet yet around a star other than our sun...”及第三段第一句中的“The team has discovered the most...”可知，这里detect与discover的含义相同，指的是“探测、发现”。故选A。

　　6．The author’s purpose in writing this passage is to

　　.

　　A．prove that scientists have a lot of difficulties in doing scientific research

　　B．explain why this planet moves around a star like our sun

　　C．teach the readers some basic knowledge about the universe

　　D．tell people about a new technique that finds the most earth­like planet moving round another star

　　答案　D

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