A thermometer label says: “Clean the tip with alcohol before and after each use.” When should the tip be cleaned?
- AOnly after each use
- BOnly once a week
- COnly when it looks dirty
- DBefore and after each use
A thermometer label says: “Clean the tip with alcohol before and after each use.” When should the tip be cleaned?
When a hedgehog is frightened, it rolls into a tight ball. Its sharp spines then stick out in all directions, protecting its soft belly. What does a hedgehog do when it is frightened?
We blink many times every minute. Blinking spreads tears across the eye, which keeps it moist and washes away dust. Why do we blink?
“After weeks of practice, Mei could finally play the whole piece without looking at the music.” What does “finally” suggest?
A patient reads: “Take this medicine on an empty stomach, one hour before breakfast.” She usually eats breakfast at 8 a.m. When should she take the medicine?
Discharge instructions: “Keep the dressing dry for 48 hours. After that, you may shower, but do not soak the wound in a bath until the stitches are removed.” On day 3, what may the patient do?
The author writes: “Opponents claim the new hospital will cost too much. But they ignore that the nearest emergency room is 60 kilometres away, and every minute counts in a heart attack.” What is the author’s tone toward the opponents?
“Ten patients tried a new sleep app. Eight said they slept better. The app company now claims: ‘Proven to cure insomnia!’” Why is the claim not justified?
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