A. that B. when C. where D. why 相关知识点: 试题来源: 解析 B。“when the first humans appeared on Earth”是对“mystery”的解释说明,“谜团是人类第一次出现在地球上是什么时候”,用“when”引导同位语从句,表示时间。反馈 收藏
aWhen when the earliest humans appeared on Earth, dinosaurs have been extinct for tens of thousands of years! People are discovered through fossil dinosaur. 当,当最早期的人在地球上出现,恐龙是绝种成千上万年! 人们通过化石恐龙被发现。[translate]...
aregola automaticamente 自动规则 [translate] aWhen the first humans appeared on earth, dinosaurs have been extinct for several million years!people through the discovery of fossil dinosaur. 当第一个人在地球上出现,恐龙是绝种几百万年! 人们通过在化石恐龙的发现上。 [translate] ...
Ever since humans lived on the earth,they have made use of various forms of communication.Generally,this expression of thoughts and feelings has been in the form of oral speech.When it is difficult to express withlanguage,communication is accomplished (完成) through sign language in which body ...
英语阅读Ever since humans lived on the earth,they have made use of various forms of communication.Generally,this expression of thoughts and feelings has been in the form of oral speech.When it is difficult to express withlanguage,communication is
wonderinghowIcametolooksolikemymotherwithoutnoticing.I?vealsorealizedthatmywaist nolongerfitsintobabyfatbutamiddle-agedspread. IalsofearthatIdon?tknowwhatmiddleagelookslikeformygeneration.Didmymotherstill feel24wheninrealityshewas15yearsolder? AndwhydoInotfeellikeI?mwhereIshouldbeas Iapproach40?Idefinitely...
place. Grandpa congratulated me on finding out something about the squirrel?s habits. Then he did something that surprised me. He handed the basket back to me and put his arm gently around my shoulders. “That squirrel worked very hard to collect his winter food,” he said. “Now that al...
W: But you did so well to get second place in today’s car race. M: Well, I came out here aiming for the gold. I got third place last time, and it was not the result I had hoped for. W: What happened today? You were looking extremely good at the start. M: I blew it! Th...
I would have given it up if I had not heard my father’s encouraging shouts to cheer me on. When at last my hand would grab the edge of the pool, he would always be there with a warm, dry towel, telling me how proud he was of my desperate efforts. Then came a turning point ...
8. The Shenzhou-15 astronauts ___ to Earth safely on June 4, 2023. A. return B. returned C. will return D.have returned 9. If you go to the concert with us tomorrow, you ___ a great time there. A. have B. had C. will...