高一名词性从句原题题目：Complete the sentences with noun clauses as the subject.1.What
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我高一,也正好学这个单元哈.
1 What tells people about the science of stars is astronomy
(告诉人们有关行星的科学的学科叫做天文学)
2 When we meet hasn't been decided yet.
（我们什麽时候见面还没定好）
3 Whether you are a good student depends on your behaviour.
(你是不是个好学生取决于你的行为)
4 How I get home is a personal decision.
(我怎么回家是我的个人决定)
5 Why dinosaur were disappeared is a puzzle to us.
（恐龙为什麽灭绝对我们来说是个迷）