It was snowing very hard last day.I finished my housework.It was snow-ing too hard so l could not go out to play with my friends.I went into the kitchen to see my mom make dumplings as supper.My mom must have been so fatigued because she had worked all day long.So l decided to ...
在20世纪60年代，中国科学家袁隆平在研究水稻时，偶然发现了一株雄性不育的野生稻。这株稻子的雄蕊发育不良，无法产生花粉，因此不能进行正常的授粉过程。这一发现，对水稻育种研究产生了深远的影响。袁隆平对这株雄性不育的野生稻进行了深入研究，他发现这株稻子的雄性不育性是由基因控制的，而不是环境...
6. There are many ways I could improve as a person. Agree: BDisagree: A 7. My parents think they're lucky to have had me. Agree: ADisagree: B 8. My life was better in the past than it is now. Agree: BDisagree: A 9. I was born with...
I had a learning disability from an early age, so it wasn't easy for me to learn English. Before five, I could hardly speak full (1) . My learning problems (2) the result of my mother taking medicine. When she was pregnant (怀孕的) with me, she got sick, and she (3) some me...
JERUSALEM, March 3 (Xinhua) -- Israeli researchers have discovered a genetic mechanism that enables plants to grow aerial roots, the Hebrew University of Jerusalem said on Thursday. The study, which was published this week in the peer-reviewed journal Science, finds that a group of genes in ...
Perkins followed up on this curious and totally unexpected result, and he discovered that the compound could dye textile fibers. He patented the new dye and started his own dye works. Through pure serendipity, Perkins ...
Early in the development of agriculture men discovered how to make alcoholic (酒精的) drinks from grapes and com. The ancient Egyptians drank both wine and beer, and the Greeks carried on a lively trade in wine throughout the Mediter ranean.The vines of grapes are all of a single species...
300 people in the Philippines alone. Dino, who manages the Thresher Shark Divers (TSD) centre, turned his home into an evacuation shelter, supplying rice and water stockpiled from Cebu City to his staff. Malapascua was flattened, but no lives were lost on the...
awe discovered the newly discovered island 我们发现了最近被发现的海岛[translate] aIf I can ment you again 如果我再能ment您[translate] a我习惯坐在电脑前 I am familiar with sit in front of the computer[translate] aclouds as rain 云彩作为雨[translate] ...
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