【正文】
plants in a food chain(鏈 )which starts with the sun.”這句話是問題的出處。 “The sun gives us light and heat. All living things need light and heat from the sun to live.”是解答該題目的重要依據(jù)。 動(dòng)詞 want 后面必須加動(dòng)詞不定式做賓語,故 選 C。 情態(tài)動(dòng)詞 must 的否定回答常有 needn’t,又根據(jù)答語中的后一句,可知選 A。 star what way do you think the sun cannot be harmful(有害的 )? A. The sun can do harm to your eyes and skin. B. It can make rivers too dry. C. Without it there would be no life on Earth. D. Hot sun on dry land can cause fires. 參考答案 I. 主語是物,因此要用 cost。t see at night. the food we eat es from ______. And it starts with the _____. A. plants。t give us light all day long. C. Because the sunlight can shine through the clouds. D. Because we can39。 sun D. plants。 either 和 both可以用于表示兩者,由謂語動(dòng)詞 are 可知, 主語為復(fù)數(shù), either of作主語表示單數(shù), both of 作主語相當(dāng)于復(fù)數(shù),故選 C。 teachers 是謂語動(dòng)詞的承受者,因此本句用被動(dòng)語態(tài),故選 C。答案 就在短文首句的 “ The sun is a huge, hot, bright star.”之中,其中包含的三個(gè)形容詞正是本題的答案。 。