判断题In the phrases a herd of cattle, a flock of sheep, both cattle and sheep contain two morphemes.()
判断题Certain kinds of wind can do harm to human health.()
判断题Spam blockers are a kind of virus which prevents your email box from receiving any emails.()
判断题Organic food is common in mountainous regions.()
判断题The ideas of writers like John Locke had an effect upon the American Declaration of Independence.()
