2. 外语
  3. Palcontologists (have examined) fossil embryos and hatchlings (from) three (type) of duck-billed dinosaurs to (figure out) how t

Palcontologists (have examined) fossil embryos and hatchlings (from) three (type) of duck-billed dinosaurs to (figure out) how t

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问题 Palcontologists (have examined) fossil embryos and hatchlings (from) three (type) of duck-billed dinosaurs to (figure out) how they matured.
选项 A、have examined
B、from
C、type
D、figure out
答案C
解析
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