? They are tapping the roof of the Sydney Opera House. There are about 1 million white tiles (瓷砖) on the roof... the sound. This way, they know which tiles are good and which need to be repaired (维修).What are these men ……

悉尼歌剧院也会“体检”悉尼歌剧院也会“体检”People need health checks. So do buildings... which tiles are good and which need to be repaired (维修). There are about 1 million white tiles ……

The solar-powered tiles look the same as normal ones. Dyaqua  Scientists make roof tiles that can collect solar energy and light up cultural sitesScientists make roof tiles that can collect ……

in his hometown — Yongzhou, Hunan province. It showed black tiles (瓦片) and gray walls, a small TV... a miniature of an old shop in his hometown — Yongzhou, Hunan province. It showed black tiles (瓦片) and gray ……

hometown ‑ Yongzhou, Hunan province. It was decorated with black tiles (瓦片) and gray wall paint, and had... ‑ Yongzhou, Hunan province. It was decorated with black tiles (瓦片) and gray wall paint, and had a small TV ……

让人抓狂的超级魔方。CAN you solve (解开) this super hard Rubik’s Cube? It is called Pillow 13x13x13 IQ Brick. It has 1,014 colored tiles (片) in all. Each side has 169 tiles. That’s more than 18 times the number ……

the number cells so that they combine. Number tiles that share a color will be added together, and number tiles of different colors will *subtract. You can tap on the cells to change their color. When ……

锅碗瓢盆交响曲
.Test tube flute试管排箫Glue 10 test tubes (试管) together. Pour (倒) some water into each tube. 但是每个试管里倒入的水量不一样，应该由低到高排列。Now you have ten notes4 to blow (吹) on.Tile bells瓷砖编钟Find a few different tiles (瓷砖 ……

.A. worked on a solution to test if someone is a procrastinatorB. found out that human beings usually...’ owner and trainer was 8 . He had not deliberately trained his horse to stop tapping by giving ……

. ICWinking with one eye is a fine way to greet someone. IC疫情期间，打招呼的正确方式有哪些？疫情期间，打招呼的正确方式有哪些？Can tapping... greeting styles and thinking of some safer ways. Let’s take a look! Can tapping (轻敲) feet ……

. ICWinking with one eye is a fine way to greet someone. IC疫情期间，打招呼的正确方式有哪些？疫情期间，打招呼的正确方式有哪些？Can tapping... greeting styles and thinking of some safer ways. Let’s take a look! Can tapping (轻敲) feet ……

has released a “solar roof” – glass tiles (瓦片) containing solar cells. Energy from the sun is collected by the tiles and they can even store it inside a special battery (电池), for days when the sun isn ……

sadness. Here are some of his best books. 21STRed Tiles and Black Tiles (1997)《红瓦黑瓦》This book tells... a hard test, when he falls seriously ill (患上重病). Will he get well again? It’s your turn to find out ……

bald head. But Sang faces a difficult test: He becomes seriously sick. Will he recover? Read this novel to find out.Red Tiles and Black Tiles (1997)《红瓦黑瓦》The book tells the story of the high school ……

The listening test ……