Ocular anomalies were frequently observed in this cohort of offspring born after in vitro fertilization.

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问题 Ocular anomalies were frequently observed in this cohort of offspring born after in vitro fertilization.

选项 A、fetuses
B、descendants
C、seeds
D、orphans

答案B

解析 句意:体外受精繁衍出的后代序列中经常出现眼部异常。offspring“后代,子孙”。fetus“胚胎”,descendant“后代,继承者”,seed“种子”,orphan“孤儿”。根据题意,正确答案为B。
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