问题
选择题
宇宙大爆炸理论是目前被人们广为接受的一种宇宙起源学说.宇宙大爆炸理论认为:宇宙诞生于大爆炸,爆炸引起宇宙膨胀,并认为( ) A.目前宇宙仍在不断地膨胀 B.目前宇宙膨胀已结束且开始收缩 C.目前宇宙已处于既不膨胀也不收缩的稳定状态 D.宇宙膨胀早已结束,目前处于静态 |
答案
答案:A
宇宙大爆炸理论是目前被人们广为接受的一种宇宙起源学说.宇宙大爆炸理论认为:宇宙诞生于大爆炸,爆炸引起宇宙膨胀,并认为( ) A.目前宇宙仍在不断地膨胀 B.目前宇宙膨胀已结束且开始收缩 C.目前宇宙已处于既不膨胀也不收缩的稳定状态 D.宇宙膨胀早已结束,目前处于静态 |
答案:A
完形填空 | ||||
John and Mary had a nice home and two lovely children, a boy and a girl. John had a good _1_ and had just been asked to go on a business trip to another city and it was _2_ that Mary needed an outing and would go along too. They _3_ a reliable woman to care for the children and made the _4_, returning home a little earlier than they had planned. _5_ they drove into their home town, they found a home in flames. Mary said, "Oh well, it isn't our fire; let's go home." _6_ John drove closer and exclaimed (惊叫), "That home belongs to Fred Jones who works at the plant. He wouldn't be _7_ work yet. Maybe there is something we could do." John drove up and they were both _8_ to see the whole house in flames. A woman on the lawn was in hysterics _9_, "The children! Get the children! They are in the basement." 10 Mary's protests (反对), John grabbed the water hose and soaked (浸湿)his clothes, put his wet handkerchief on his head and 11 for the basement which was full of 12 . He found two nearly suffocated (窒息的)children and after carrying them to safety, he asked how many more children were 13 there. They told him two more and Mary 14 his arm and screamed, "John! Don't go back! It's 15 ! That house will cave in any second!" But he shook her off and went back by 16 his way down the smokefilled hallway and into the room. It 17 a long time before he found both children and started back and at last when they came out into the_18 and fresh air, he found that he had just 19 his own children. It turned out that the babysitter had 20 them at this home while she did some shopping. | ||||
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