郑和七下西洋是世界航海史上的壮举，比欧洲航海家早了半个多世纪，他在1405年

从____出发，最远到达____沿岸和____东海岸。

一弹簧振子做简谐振动，则以下说法正确的是（   ）

阅读理解

A

    I just moved into my own house last month．The thing l like best about it is that it's mine!If I don't want to clean the room．I don't have to．If I want to paint the walls green,I can．The only thing I don't like is the cockroaches(蟑螂)．I think I should clean my house more often．

    —Paulo

    I don't like my house at all．My neighbours (邻居)are really boring．There are lots of kids in the neighblourhood but none are my age．And the house is too small for my family．I have to share my room with my two sisters．

    —Millie

    My house is big enough for my family to live in comfortably．There are three bedrooms in my house，and each of my daughters has her own bedroom．What I don't like is that all the houses in the neighbourhood look the same．

    —John

    I love my house because I designed(设计)it myself I planned everything to fit(适合）my needs.For example，I love to cook so the kitchen is big.I guess that's my favourite room．The worst thing?Well,the house is getting old,and it needs a lot of

repairs(修理)．

—Susan

根据材料内容选择最佳答案。