托福考試閲讀理解預測題
練習託福閲讀理解是考生備考不可缺少的,尤其是在後期要多進行一些預測題的練習,下面,小編為大家送上一篇托福考試閲讀理解預測題。
Molting is one of the most involved processes of a bird's annual life cycle. Notwithstanding preening and constant care, the marvelously intricate structure of a bird's feather inevitably wears out. All adult birds molt their feathers at least once a year, and upon close observation, one can recognize the frayed, ragged appearance of feathers that are nearing the end of their useful life. Two distinct processes are involved in molting. The first step is when the old, worn feather is dropped, or shed. The second is when a new feather grows in its place. When each feather has been shed and replaced, then the molt can be said to be complete. This, however, is an abstraction that often does not happen: incomplete, overlapping, and arrested molts are quite common.
Molt requires that a bird find and process enough protein to rebuild approximately one-third of its body weight. It is not surprising that a bird in heavy molt often seems listless and unwell. But far from being random, molt is controlled by strong evolutionary forces that have established an optimal time and duration. Generally, molt occurs at the time of least stress on the bird. Many songbirds, for instance, molt in late summer, when the hard work of breeding is done but the weather is still warm and food still plentiful. This is why the woods in late summer often seem so quiet, when compared with the exuberant choruses of spring.
Molt of the flight feathers is the most highly organized part of the process. Some species, for example, begin by dropping the outermost primary feathers on each side (to retain balance in the air) and wait until the replacement feathers are about one-third grown before shedding the next outermost, and so on. Others always start with the innermost primary feathers and work outward. Yet other species begin in the middle and work outward on both sides. Most ducks shed their wing feathers at once, and remain flightless for two or three weeks while the replacement feathers grow.
1. The passage mainly discusses how
(A) birds prepare for breeding
(B) bird feathers differ from species
(C) birds shed and replace their feathers
(D) birds are affected by seasonal changes
2. The word "Notwithstanding" in line 2 is closest in meaning to
(A) despite
(B) because of
(C) instead of
(D) regarding
3. The word "intricate" in line 2 is closest in meaning to
(A) regular
(B) complex
(C) interesting
(D) important
4. The word "random" in line 12 is closest in meaning to
(A) unfortunate
(B) unusual
(C) unobservable
(D) unpredictable
5. The word "optimal" in line 13 is closest in meaning to
(A) slow
(B) frequent
(C) best
(D) early
6. Which of the following is NOT mentioned as a reason that songbirds molt in the late summer?
(A) Fewer predators are in the woods.
(B) The weathers are still warm.
(C) The songbirds have finished breeding.
(D) Food is still available.
-
託福口語考試評分七大標準
很多準備考託福的人往往是決定了考託福就開始買大把大把的資料回來做,卻總會忽略最原始的.一點,就是託福評分標準。以下是小編整理的關於託福口語考試評分七大標準,希望大家認真閲讀!中心是否切題考察考生所表達的口語內容是否完整、準確地回答了題目的要求。考察...
-
托福考試必備詞彙
詞彙,又稱語彙,是一種語言裏所有的(或特定範圍的)詞和固定短語的總和。例如漢語詞彙、英語詞彙或一般詞彙、基本詞彙、文言詞彙、方言詞彙等;還可以指某一個人或某一作品所用的詞和固定短語的總和,以下是小編精心整理的托福考試必備詞彙,歡迎閲讀與收藏。托福考試詞彙...
-
2017託福寫作必知七項基本原則
導語:取得託福寫作好成績和正確的複習方法密不可分,要想提高託福寫作能力就應該在複習時瞭解英語寫作的七項基本原則。下面YJBYS小編向大家介紹託福寫作必知的七項基本原則,歡迎參考!一、長短句原則工作還得一張一馳呢,老讓讀者讀長句,累死人!寫一個短小精闢的句子,...
-
2017年託福閲讀真題回顧解析
學習既要有鐵棒磨成針的精神,又要有舉一反三的;讀書既要有勇於攀登的志氣,又要有樂於思考的'精神。以下是小編為大家搜索整理的2017年託福閲讀真題回顧解析,希望能給大家帶來幫助!更多精彩內容請及時關注我們應屆畢業生考試網!考題1Thephrase"thisrespect"inthep...