托�？荚囋囶}(一)

時間：2024-10-19 12:20:25 賽賽托福英語我要投稿

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托�？荚囋囶}(一)

　　在各個領(lǐng)域，我們會經(jīng)常接觸并使用試題，試題可以幫助學(xué)�；蚋髦鬓k方考察參試者某一方面的知識才能。一份好的試題都具備什么特點(diǎn)呢？以下是小編收集整理的托�？荚囋囶}(一)，僅供參考，希望能夠幫助到大家。

托福考試試題(一)

　　托�？荚囋囶}(一) 1

　　Section 1

　　Listening Comprehension

　　The listening comprehension section for the examination is designed to test your ability to understand spoken conversations and lecture presentations. All answers in this section should be based only upon what is stated or implied by the speakers. You should not take notes or write in your test book at any time. You should not turn the pages until you are told to do so.

　　Part A

　　Directions: In part A you will listen to short conversations between two people. After each conversation, there will be a spoken question about the ocnversation. None of the conversations or questions will be repeated. After you hear the conversation and the question, read the answers written in your workbook and select the mot appropriate answer. Then, on your answer sheet, find the number that matches the question you are answering and fill in the letter which corresponds to the answer you have selected.

　　Listen to an example. Sample Answer

　　On the recording you will hear:

　　In your workbook, you will read;

　　(A) He will have some time to do it later.

　　(B) Any time but now is okay with him.

　　(D) He would like to check the report now.

　　You learn form the conversation the man is ready to read the report. The best answer to the question "What does the man mean?" is (D), "He would like to check the report now." Therefore, the correct answer is (D).

　　1. (A) She didnt want to annoy him.

　　(B) She wouldnt sing if he wont allow it.

　　(D) She doesnt care if he can hear.

　　2. (A) He will not complete his thesis.

　　(B) He could have troubles in doing both at the same time.

　　托�？荚囋囶}(一) 2

　　Bloodhounds are biologically adapted to trailing their prey. The process by whichthe nose recognizes an odor is not fully understood, but there are apparently specificreceptor sites for specific odors. In one explanation, recognition occurs when a scentmolecule fits into its corresponding receptor site, like a key into a lock, causing a(Line5) mechanical or chemical change in the cell. Bloodhounds apparently have denserconcentrations of receptor sites tuned to human scents.

　　When a bloodhound trails a human being, what does it actually smell? The humanbody, which consists of about 60 trillion living cells, sheds exposed skin at a rate of 50million cells a day. So even a trail that has been dispersed by breezes may still seem(Line10) rich to a bloodhound. The body also produces about 31 to 50 ounces of sweat a day.

　　Neither this fluid nor the shed skin cells have much odor by themselves, but thebacteria working on both substances is another matter. One microbiologist estimatesthe resident bacteria population of a clean square centimeter of skin on the humanshoulder at "multiples of a million." As they go about their daily business breaking(Line15) down lipids, or fatty substances, on the skin, these bacteria release volatilesubstances that usually strike the bloodhounds nose as an entire constellation ofdistinctive scents.

　　45. What does the passage mainly discuss?

　　(A) Why people choose bloodhounds for

　　household pets

　　(B) How a bloodhounds sense of smell works(C) How humans compensate for an

　　underdeveloped sense of smell

　　(D) The way in which bacteria work on skin cellsand body sweat

　　46. The author compares a scent molecule with a(A) key

　　(B) lock

　　(D) bloodhound

　　47. In line 7, the word "it" refers to

　　(A) bloodhound

　　(B) human being