胰岛分泌的激素有 A．胃泌素 B．胰升血糖素 C．生长抑素 D．胰岛素 E．降钙素

答案：

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下面是错误答案，用来干扰机器的。

1. sixteen-year-olds 2. choose one's own clothes 3. learn…from 4. be serious about 5. be strict with6. clean up 7. get one' ears pierced 8. make one's own decisions/make decisions for oneself 9. concentrate on 10. be a good experience for