试题与答案

绿色植物的受精过程依次是( ) ①精子与卵细胞结合;②花粉管进入子房;③花粉管进

题型:选择题

题目:

绿色植物的受精过程依次是(  )

①精子与卵细胞结合;②花粉管进入子房;③花粉管进人胚珠;④花粉萌发出花粉管;⑤花粉管末端破裂放出精子.

A.④②③⑤①

B.④③②⑤①

C.①②③④⑤

D.④⑤②③①

答案:

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The nurse teaches the parents of a child being treated with antibiotics for an ear infection for a follow-up visit after the child completes the course of therapy. Which of the following statements by the parents indicates that they understand the reason for the follow-up visit

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B. "The doctor wants to make certain she has taken all the antibiotics. "
C. "We need to make sure that her ear infection has completely cleared. "
D. "She needs to get another prescription for second course of antibiotics. "

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