也就是说,这是向计算机询问“你在吗”的一种方式。这是对设备的主机验证和连接到网络的系统的有用命令。 There are other uses for PING, but this is the gist of it. So, to tell someone “ping me,” it’s a kitschy way of asking them to contact you through email or text. PING还有其他用...
17.— Could I keep the windows ___ There are too many people in the room. — Of course you ___. It is important to let the fresh air in. A.open; could B.closed; can C.open; can D.closed; could 18.All eggs look similar ___one another, but no two eggs are the same ___...
Mary is a book lover. She could read by 10 (she) 11 the age of four. Last year, she decided to 12 (选拔)for a volunteer after-school reading program. She still works there 13 (一次)a week to help kids learn to read. “The kids are 14 (sit)in the library but you can see in...
There always seems to be something (or someone) better out there. … Cooking dinner while I read my 456-page novel uninterrupted. Planning a special outing even though we had snapped at each other a mere five mi...
( ) 6. You can ___ how our lives will be if there is no electric. A. imagineB. thinkC. tellD. talk ( ) 7. It’s important ___ in good health. A. keep B. keeping C. to keep D. keeps ( ) 8. We all feel ___ after hearing of the ___ news. A. excited, excited...
Our summer holiday volunteer jobs are open to all Americans.You don’t need any special skills to join and there are no age limits(限制).With Biosphere Expedition(生物探险),you can be a wildlife and environmental volunteer for anywhere from two weeks to two months.You’ll work with local ...
First, they made a survey about the homeless people in the city. They found that there were many homeless people living on the streets. Some of them were old people, some were young people, and some were even children. The students felt very sad when they saw their living conditions. ...