When Columbus ___ America in 1492, the native people had already been living there for centuries. A. discovered B. had discovered C. discovers D. has discovered 相关知识点: 试题来源: 解析 A。解析:在这个句子中,“in 1492”表示过去的一个具体时间点,当表示过去某个时间发生的动作时,要用一般...
When Columbus discovered America in 1492, he ___ on a journey of exploration. A. was B. is C. were D. are 相关知识点: 试题来源: 解析 A。本题考查一般过去时。“in 1492”是明确的过去时间,主语是“he”,要用“was”。B 选项是一般现在时;C 选项和 D 选项“were”和“are”不符合主语“...
Although it was often mistakenly thought of as the day when America was “discovered,” that idea has met with controversy over the years due to the preponderance of scientific evidence that proves this explorer wasn’t the first European to set foot on the shores of the New World. ...
— When ___ America ___ by Columbus? — In 1492. A. is, discovered. B. was, discovered. C. was, discovering. D. was, discover.试题答案 在线课程 练习册系列答案 本土期末寒假云南人民出版社系列答案 猎豹图书大提速中考限时练系列答案 中考新方向发现中考系列答案 安徽中考总复习综合练习系列答案 ...
Columbus discovered America in1492. We soon discovered the truth. 我们很快就弄清了真相。 13.一般过去时的被动语态(见P188页) 结构:was/were+过去分词 重点句型 4 1.我认为计算器是在计算机之前发明的。 I think the calcula...
单选题When Columbus( ) America in 1492, the continents may have been peopled by as many as twenty-five million Indians.问题1选项 A. who discovered B. discovering C. discovered D. to discover 相关知识点: 试题来源: 解析 [答案]C [解析]考查非谓语动词。句意:当哥伦布于1492年( )美洲大陆...
B。“had reached”是过去完成时。A 选项一般过去时表示过去发生的动作或状态;B 选项过去完成时表示过去某一时间或动作之前已经发生或完成的动作;C 选项现在完成时强调过去发生的动作对现在的影响;D 选项将来完成时表示在将来某一时间之前已经完成的动作。在本题中,到达印度的动作发生在认为这个动作之前,是过去的过去...
Columbus discovered America in 1492. 哥伦布在1492年发现了美洲。 2. for example for example意为“例如”,强调“举例”说明,而且一般只举同类人或物中的一个作为插入语,且用逗号隔开。for example可置于句首、句中或句末。例如: There a...
为你解答。选词填空(discover,invent,find,find out)1.When was the telephone (invented)?电话是何时发明的?2.Columbus (discovered) America in 1492.哥伦布于1492年发现美洲。3.Please (find out) when the train starts.请查明火车何时发车。4.We've (found) a solution to the ...
Thomas Edisoninventedthelightbulbin 1879托马斯·爱迪生发明了灯泡 ThelightbulbwasinventedbyThomasEdisonin1879 Whenwasthelightbulbinvented? 1854年,美国人亨利·戈培尔使用一根炭化的竹丝,放在真空的玻璃瓶下,然后通上电源发光。他的发明是首个实际的白炽电灯。但是并没有申请专利。1858年,英国...