A thermometer label says: “Clean the tip with alcohol before and after each use.” When should the tip be cleaned?
- AOnly once a week
- BOnly after each use
- 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?
The heart is a muscle about the size of a fist. It pumps blood through the body day and night. In an adult at rest, it beats about 60 to 100 times a minute. According to the passage, how big is the heart?
Bees are important for farming. As they move from flower to flower collecting nectar, they carry pollen that helps plants make fruit and seeds. How do bees help plants?
“Of all the jobs on the farm, Leo liked feeding the calves best. He even woke up early on weekends to feed them.” Which detail supports the idea that Leo enjoys feeding the calves?
Passage: “Cycling to work saves money on fuel and parking. It also gives regular exercise and produces no exhaust fumes.” Which title fits the passage best?
Studies show that people who eat breakfast tend to have more energy in the morning. In my view, breakfast is the most delicious meal of the day. Which sentence contains an opinion?
“The nurse explained the new inhaler to Mr. Brown and then asked him to show her how he would use it.” Why did the nurse most likely ask him to demonstrate?
The author writes: “Some argue that we should spend money on space exploration only after solving problems on Earth. But research for space has led to inventions used in medicine and everyday life.” What is the purpose of the second sentence?
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