为什么有些杯子遇热后会变色？Have you ever had a mug that changes color when you put hot water in it? For example, some mugs show dinosaurs or other images when you add hot water. How do these mugs work?These mugs ……

open.Most perennials (四季不断的) should not be fully open, but just starting to open and show color.Proper care makes all the difference in the vase life of cut flowers. Get the most from your blooms ……

Frying in the heat (P6)Frying in the heat (P6)Choose the answer:Choose the answer:1. Why does... paragraph?A. To show the cooking in Southeast Asia.A. To show the cooking in Southeast Asia.B ……

page appears black. But when you heat it, the text will show. So to be able to read the book, you’d... until you add heat to its pages. This book is a special edition (版本) of the US science fiction novel ……

, every page is black. But when you heat it, the text will show. So to be able to read the book, you’d... you heat its pages. This book is a special edition (版本) of the US science fiction novel Fahrenheit ……

in hot water. The unique heat-sensitive color coating is also used in toys, baby bottles, kettles, car...Do you know about “magical” mugs (马克杯)? When you fill one with hot water, its color changes or you ……

leaves turn yellow during autumn秋天树叶为什么会变黄？秋天树叶为什么会变黄？In autumn, we always see the beautiful show of leaves changing colors. How does it happen?In autumn, we always see the beautiful show of leaves ……

for the water to heat up.But when it occurred to her that the cold water that came out first was wasted, she decided to make a difference. Qi put two buckets (桶) in the bathroom, one for collecting cold ……

app on a smartphone. The cameras take a photo every time you open the refrigerator to show what... favorite TV show to the refrigerator, to play on the touchscreen.Smart frying panCooking is not easy ……

the beach to embrace the sea, both are nice ways to cool down in the heat. However, to perfectly show your curves as you *frolic in the water, you’ll need a fashionable swimsuit. This season, designers have ……

and a littlelip gloss(唇彩) to give them a shine.Avoid(避免) bright colors in the daytime but you can play...) a bottle of ice water down your back. That's how straight your back should be.Neat hairGo to astylist(发型 ……

and a littlelip gloss(唇彩) to give them a shine.Avoid(避免) bright colors in the daytime but you can play...) a bottle of ice water down your back. That's how straight your back should be.Neat hairGo to astylist(发型 ……

为什么微波炉加热这么快？Microwave ovens (烤箱) don’t use regular (普通的) heat. They use microwaves. These waves of energy (能量) heat water. Most food has water in it. The microwave cooks the water inside food ……

为什么微波炉热食物这么快？Microwave ovens (微波炉) don’t use regular (普通的) heat. They use microwaves. These waves of energy (能量) heat water. Most food has water in it. The microwave cooks the water inside food ……

dangerous (危险的) to others. Chameleons (变色龙) can change colors to show how they feel.Talk to each other... colors to show how they feel.Hide away: Some animals may look like things around them. Then they can go ……