Our skin makes vitamin D when it is exposed to sunlight. Vitamin D helps the body take in calcium, which keeps bones strong. What does vitamin D help the body do?
- AFight off colds
- BDigest sugar
- CTake in calcium
- DGrow more hair
Our skin makes vitamin D when it is exposed to sunlight. Vitamin D helps the body take in calcium, which keeps bones strong. What does vitamin D help the body do?
“Lucas tiptoed past his sleeping baby sister so he would not wake her.” Why did Lucas tiptoe?
A glossary is a list of important words and their meanings, usually found at the back of a book. A student reading a biology textbook does not know the word “osmosis”. Where could she find its meaning quickly?
“After weeks of practice, Mei could finally play the whole piece without looking at the music.” What does “finally” suggest?
“The road was icy, so Dad drove slowly and kept a long distance from the car in front.” Why did Dad drive this way?
The patient education leaflet says: “Check your blood sugar before meals and at bedtime. Write each reading in your logbook and bring the logbook to every appointment.” Why does the leaflet ask patients to bring the logbook to appointments?
The author writes: “Some readers may find these figures alarming. Over the past decade, the number of nurses aged over 55 has doubled, while the number entering the profession has stayed flat.” What problem is the author most likely pointing to?
The author writes: “Some readers will say a four-day work week would hurt productivity. Trials in several companies, however, found that output stayed the same while staff were less stressed.” How is the passage structured?
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