It is grammatically correct, but it uses a form of "use" three times in seven words. Present users are those who already use the product. This program or campaign wants to attract new customers as well as increase the usage by old customers.Originally Posted by jiang
It is a typographical error. It should be "nature".No.2. And, inevitably, it will also fuel the debate about how far scientists should be involved in mature and lead to the criticism that they are "playing God".
Here 'muture' is a noun. However, in my dictionaries 'mature' can only be used as an adjective or verb. Does it mean the word can be used as a noun?
Good question. First, the stem is a problem. "Surroundings" is used as a plural noun. This does not fit with the indefinitie article "a" before "rich".No.3. On the one hand, a child who lives in a boring environment will develop his intelligence less than one who lives in a rich and _____surroundings.
a. varied b. various c. varying
How to distinguish them?
We can't make "surroundings" singular, so the article should be dropped.
The idea here is that the child's environment should not be the same at all times. All three words have something to do with that, but, IMO, "varied" is the only one that carries the right meaning. The participle form "varying" carries a sense of being in a process, just as it would in a continuous verb form. It is not logical that the child's environment be in a continuous process of change. It is logical that the environment be different at different times. One could use "various" in a different sentence. A child should be exposed to various surroundings. This would mean that the surroundings should change at times and implies that there should be several choices. It doesn't work in the sentence "rich and various surroundings", mostly because of the attachment to "rich". "Rich" is a quality of "surroundings", while "various" implies a change in "surroundings". The choice "varied" is a quality of surroundings. It implies change, but as an attribute of the noun.
This is a bit difficult to explain. If I have failed to do so, please let me know.
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