相关试卷
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1、 The scientist ____ to explain the invention at the fair yesterday.A、invites B、invited C、is invited D、was invited
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2、 ____ amazing invention the robot is!A、What B、What an C、How D、How an
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3、 He invented a tool ____ cutting grass more easily.A、for B、to C、in D、on
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4、 The exhibition ____ many unexpected inventions next week.A、will show B、showed C、shows D、has shown
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5、 They kept ____ the design until it was perfect.A、to improve B、improving C、improve D、improved
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6、 She was so curious ____ she spent all night researching.A、that B、which C、what D、where
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7、 The invention ____ by a team of scientists last month.A、is developed B、was developed C、developed D、develops
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8、 The boy dreamed of ____ an inventor when he grew up.A、becoming B、to become C、become D、became
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9、 ____ is necessary to test the invention before using it.A、This B、That C、It D、What
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10、 He ____ to create a new app to help students learn English.A、failed B、decided C、warned D、borrowed
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11、 The invention of the wheel is one of the most ____ discoveries in history.A、unexpected B、useless C、important D、curious
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12、 Her ____ about space led her to become an astronaut.A、curiosity B、talent C、passion D、warning
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13、 The smart stick uses ____ to warn users of obstacles.A、lights B、sounds C、signals D、keys
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14、 The young inventor was ____ with an award for his creativity.A、given B、received C、made D、taken
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15、 The ____ of penicillin changed medicine forever.A、discovery B、invention C、experiment D、exploration
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16、 ____ the heavy rain, the scientists continued their experiment.A、Although B、Despite C、If D、Because
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17、 The new machine can ____ signals from the brain to move.A、receive B、send C、make D、cost
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18、 The scientist spent years ____ the nature of electricity.A、researching B、inventing C、warning D、fixing
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19、The ____ of the invention is to make life easier for the disabled.A、purpose B、problem C、design D、material
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20、以 "My Favorite Invention" 为题，写一篇 80 词短文，介绍你最喜欢的发明（如手机、自行车等），使用词汇如 invent, useful, solve, improve 等。