阅读理解. When skateboarding started in the 1960s, skateboards were made of wood and had clay wheels. Since the wheels did not grip concrete well, riders could do very few tricks with them. Soon people lost interest in the sport. In 1973, though, a new wheel was invented in California....
And every night, I look at the posters with photos of2. Before the invention of printing,famous sports stars on my bedroom wall before I go to sleep.Can we imagine life without paper or printing?were books produced by hand or byPaper was first created about 2,000 years ago, and hasbee...
A,C,A,B,B,C,D,A,C,B,About2,000yearsago,Byhand,Knowledgeandideasspreadquickly,OnCDROMsormachinessuchasiPads,Yes,theycan,r
I haven’t mentioned until now that there was another factor at play besides decades of entrenched brotherly competition: my brother’s son had turned one year old that day and we were due back for his birthday party. As we descended Carter Ridge we realized that the day was ticking on. ...
I haven’t mentioned until now that there was another factor at play besides decades of entrenched brotherly competition: my brother’s son had turned one year old that day and we were due back for his birthday party. As we descended Carter Ridge we realized that the day was ticking on. ...
1【题目】When technology was invented, it was weak.The cars were simple, and 1 go fast.Commu-nication was mainly by just 2 to someone'shouse and saying “Hi” and so on. Technology3 a lot from that age.Now people can commu-nicate with iPads and mobiles. Back then, you hadto wat...
1 / 41 2018 年九年级英语全册 Unit 6 When was it invented 第三节 语法填空练习 (新版)人教新目标版 第三节 语法填空 阅读下面短文,写出括号内单词的正确形式或填入适当的内容(不多于 3 个单词),将答 案写在短文后的答题处。 A When we were in England last year,I went fishing wi...
I can’t remember when I started collecting litter. But it was when I got tired of seeing litter near my home and realized that no one else was going to pick it up.I live close to a forest in Ohio, America. I can walk there in three minutes! I used to lo
One downside is practicing barefoot. Some old-timers claimed it was to “toughen the feet.” That may have made sense centuries ago when people were barefoot daily, but today? No. Nowadays, it’s mostly about preserving the mats. That’s fine, I get it. But maybe you don’t need mats...
Some were disappointed that Apple failed to introduce hardware at last week's WWDC, but keeping the focus on software was consistent with how the company has always done things, and also with Steve Jobs' vision.