His name is Jim. (用女名Jenny替换句中的男名)
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When we practice_____English,we often end up___in Chinese.
下列我国古代科学家中,有哪几位在相同领域内取得了成就( )①张衡 ②贾思勰 ③孙思邈 ④沈括 ⑤郭守敬