相关试卷
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1、 The exhibition hall ____ many great inventions yesterday.A、shows B、showed C、has shown D、will show
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2、 She wished ____ a scientist when she grew up.A、becoming B、to become C、become D、became
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3、 The boy invented a stick ____ frozen juice.A、to hold B、holding C、held D、hold
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4、 ____ curious he is about the new machine!A、What B、How C、What a D、How a
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5、 They spent years ____ the sky and the earth.A、study B、to study C、studying D、studied
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6、 ____ the failure, he kept working on his invention.A、Despite B、Although C、If D、Because
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7、 The invention ____ by a 17-year-old boy last year.A、is made B、was made C、made D、makes
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8、 Lily decided ____ a new cup for her grandfather.A、design B、to design C、designing D、designed
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9、 He enjoyed ____ problems one after another.A、to solve B、solving C、solve D、solved
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10、 Curiosity is the key ____ new discoveries.A、of B、to C、for D、in
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11、 The smart walking stick can ____ blind people about nearby objects.A、warn B、help C、make D、do
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12、 The Post-it Note was invented ____ accident by Arthur Fry.A、on B、by C、in D、with
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13、 Zhang Heng invented the first ____ detector to predict earthquakes.A、weather B、space C、earthquake D、lightning
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14、 Wan Hu was a ____ of space exploration in the Ming Dynasty.A、scientist B、pioneer C、inventor D、doctor
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15、 The lightning rod ____ buildings from lightning.A、protects B、prevents C、warns D、invents
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16、 Benjamin Franklin was ____ about electricity and did many experiments.A、curious B、brave C、selfish D、careful
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17、 Easton decided to ____ his design online for free.A、download B、upload C、post D、invent
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18、 The artificial arm ____ $80,000, which was too expensive for children.A、cost B、took C、spent D、paid
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19、 Easton built the robotic arm ____ plastic blocks and fishing line.A、out of B、in C、on D、at
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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。