台湾是祖国神圣不可分割的领土。下列关于台湾省表述正确的是:
A:台湾岛西部与广东省隔海相望
B:人口主要集中在东部沿海地区
C:山地、平原各占一半
D:东临太平洋,北回归线穿过中南部
用所给词的适当形式填空。(1)What’s your____ (high)?(2)The boys often go____ (swim) in that river in summer.(3)Nobody ____ (like) his new look.(4)Many young people want to be____ (sing).(5)He wears____ (glass) every day. He thinks that’s very cool.
根据拼音写汉字或给画线字注音。①suǒ( )屑 ②万lài( )俱寂 ③诧异( ) ④ 差使 ( )
如图,在等腰Rt△OAA1中,∠OAA1=90°,OA=1,以OA1为直角边作等腰Rt△OA1A2,以OA2为直角边作等腰Rt△OA2A3,…则OA4的长度为____.