Chicken eggs are just thin shells (壳), but you may be surprised at how strong they are. Let's do an experiment.What you need. Four eggs . Sharp scissors . Tape. Bowl . Adult helper . Phone books or hardcover books What you do1. Dig a hole in the small end of each egg and ma...
根据图表前两行“What you need • Four eggs • Sharp scissors • Tape”可知,我们做这个实验需要四个鸡蛋,锋利的剪刀和胶带。故选C。 (2)题详解: 细节理解题。根据图表第二部分“Dig a hole in the small end of each egg …Stick the tape around each egg’s widest point… Put shells on ...
Chicken eggs are just thin shells (壳) , but you may be surprised at how strong they are. Let’s do an experiment. What you need • Four eggs• Sharp scissors• Tape • Bowl• Adult helper• Phone books or hardcover books ...
Step 1. Dig a hole in the small end of each egg and make it larger to pour the eggs into the bowl. They are good for cooking. Wash and air dry the shells. Step 2. Stick the tape around each egg’s widest point, and then carefully break away shells between the tape and the hole...
Thin Layer ChromatographyThis inquiry-based experiment is designed for organic or biochemistry undergraduate students to deduce the identity of phospholipids extracted from chicken eggs and dietary supplements. This is achieved using thin-layer chromatography (TLC) data, a series of guided questions of ...
根据第1段"Chicken eggs are just thin shells (壳),but you may be surprised at how strong they are.Let's do an experiment."(鸡蛋只是薄薄的外壳,但你可能会惊讶于它们的强度。我们来做个实验。)可知,本文主要介绍的是一个证实鸡蛋壳很结实的实验,故选D。(2)细节理解题。根据表中"What you need...
根据“Chicken eggs are just thin shells (壳) made of mineral (矿物), but you may be surprised how strong they are.”可知,本文主要讲述了蛋壳很坚硬,故选A。 (2)题详解: 推理判断题。根据“put shells in a square at the four comers of the piece of paper, with the round end of the ...
Chicken eggs are just thin shells(壳) made of mineral(矿物), but you may be surprised how strong they are: What you need: *Four eggs*A bowl*A pen *Scissors or a knife*A piece of paper*Some books What to do: STEP 1: Use the scissors or knife to break a hole in the small end...
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