厕浴间装饰工程全部完成后,工程竣工前可不进行二次蓄水试验。()
参考答案:错
等边三角形、平行四边形、矩形、圆四个图形中,既是轴对称图形又是中心对称图形的是( ).
填空。
1. Han Mei enjoys ____ (sing) in English.
2. Let me help you ____ (find) them.
3. ____ (swim) is the best sport in summer.
4. Are you ____ (go) ____ (hike) this Sunday?
5. We decided ____ (go) for a field trip with some friends of ours.