科学发明话题词汇 — 英语选择题

The new kind of robot ____ by a young scientist last year. A. invents B. invente…

A device that uses electricity to keep food cold is a ___.

Choose the correct sentence to complete the passage about a scientific discovery…

用 who / which / that 填空，完成介绍科技产品的定语从句： 1. Th…

根据提示，为校刊写一段介绍重要发明的说明文。请在空格�…

The smart watch ______ screen can show health data is popular among students. A.…

Mia enters instructions into a machine. It then moves boxes and works without he…

At a science fair, Leo can choose a telescope, a camera, or another invention. A…

Choose the correct science invention word: An instrument that helps people talk …

A new invention travels around Earth. It collects information about the weather …

A device that uses electricity to keep food cold is a ___.

To keep pre-exam anxiety from making her rush, Nina planned to begin at a steady…