And I’ve discovered some great books! If I ever get trapped outside my house again, my local telephone box will, sadly, no longer be able to connect me with my keys. But it can certainly keep me entertained while I wait for my wife to rescue me. 24. What does the word “it” ...
In 2014, Researchers discovered that dogs have an area of the brain similar to one in humans that allows them to understand emotional cues in the tone of a speaker's voice, beyond what they'd be able to pick up from famil...
6.The support from his whole family gave him confidence to solve the difficult problem and finally he not only discovered a new disease but also invented new medicine against it. 来自他全家的支持给了他解决难题的信心,最终他不仅发现了新的疾病而且发明了新药抵制这种疾病。 7.Since the clever boy ...
Children do not wash 58 hands often enough or long enough. It?s such a simple habit,but the children aren?t doing it. Issar and his friend decided to 59 the problem using a fun method. They tried many times and created a tool called Soapen. It turned hand washing 60 a fun activity...
English. It created a love of books and writing in me. Being able to write beautiful words for others to read is real magic. —Tammy Bond Math. Some of the greatest life lessons I ever learned were in math. And then I dec...
One afternoon, while 45.attempting to get into bed she collapsed (倒下) from what was 46.eventually discovered to be a heart attack. The collapse was disastrous, 47.requiring the emergency medical team and good teamwork. But she recovered, though 48.slowly,__and was ready for discharge (...
When was the Mayan number system created?Creation of the Mayan Number System:The Mayans first rose to prominence around 2000 BCE in Central America, inhabiting the area of the Yucatan peninsula to the Pacific Ocean. The Mayans are well-known for their advancements in mathematics and astronomy....
—Richard Goldman English.It created a love of books and writing in me.Being able to write beautiful words for others to read is real magic. — Tammy Bond Math.Some of the greatest life lessons I ever learned were in math.And then I decided Id be a math teacher. —Teri Bench Top ...
This was because extremely cold atmospheric conditions and the formation of polar stratospheric clouds created an environment where chlorine compounds from CFCs could become highly reactive. When sunlight returned to the region in early spring, these reactive chlorine molecules...
Hepatitis B vaccines were developed at Penn; the discovery of cancer’s link with genes; cognitive therapy; Retin-A (the cream used to treat acne), Resistin; the Philadelphia gene (linked to chronic myelogenous leukemia) and the technology behind PET Scans were all discovered by Penn Med ...