B Here is an experiment(实验) to find out how blowing into bottles can make musical notes(音).1. Pour different2. Rest the neck3. Blow gently4. You could amounts(数量)of one bottle on across all the add food dye of water into a your lower lip.bottles in turn.to the water,selecti...
A fundamental concern for researchers who analyze and design experiments is that the estimate obtained from the experiment might not be externally valid for other policies of interest. Researchers often attempt to assess external validity by comparing data from an experiment to external data. In this...
根据第一段“ An experiment on the Tiangong space station can provide the answer. Chinese astronauts have successfully grown rice in space. This makes it possible for astronauts to grow food to support long-term space stays.”可知,天宫空间站上的科学实验的 特殊之处在于它可以为太空旅行提供足够的...
Orange logos are vibrant and eye-catching, often used for brands that want to make a bold statement. Orange is associated with energy, enthusiasm, and optimism, making it an ideal color choice for businesses looking to project a sense of confidence and growth. It can be used to create ...
They make friends and become independent. As the dumpling becomes a teen, he pulls away from his mom. All teens can relate to this frustrating time; ②父母想要对待你像小“包宝宝”,即使你几乎是一个成年人了。 As the mother tries hard to stop her “bao” from leaving, she puts him into...
16 (a) Describe how an experiment can be caried out to determine the force constant of an elast.cord in the laboratory by plotting a suitable graph. You may assume that the cord obeys Hooke's law. 相关知识点: 试题来源: 解析 Hang (known) masses/weights on the cord or pull with a ...
You sell products or services to anyone, anywhere, and grow a profitable business with as much (or as little) involvement as you wish. But you can't just snap your fingers to get there: You’ll need to find an idea for your online business, make a website, and plenty more before ...
【答案】using【核心短语/词汇】set up an experiment:做实验;stomach:胃;acid:酸【翻译】我用酸和一个洋葱做了一个实验来展示人的胃是如何工作的。【解析】根据本句中的“I set up an experiment to show how the human stomach works(我做了一个实验来展示人类的胃是如何工作的)”和“acid and an onion...
2. Add media to your post Upload approved media content to your post to make it stand out. This could be a single image, multiple images or a video to enhance your post and make it stand out. If you’re publishing an image or a video, you can add alt tags for your images, upload...
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