B. Emit
The first thing to do for questions like these is determine the relationship the first two words have with each other. Because “exhibit” and “display” both mean “to show,” they are synonyms. As such, the word pairing with “send” should be its synonym. One possible meaning for “send” is “transmit.” As such, the word in the options that means “transmit” is “emit,” which is the correct response.
I hope people are more careful and cautious when coming into contact with others.
The component of an effective supporting paragraph of a research report is the summary. A research report is often used in studies that demand highly factual evidences or proof. The aim of research reports is to clearly and concisely discuss your topic. Therefore, in order to make it easier for the readers to understand, a summary should be included.
D. People should recycle to help the environment
True. If you are an active listener to make eye contact, ask questions, and listen carefully to what the speaker is saying. Someone who is not actively listening wouldn't be paying attention, thus would not be able to ask questions. They would not be making eye contact, and their mind would wander.