Hurry up, kids! The school bus _______ for us!
A. waits B. was waiting C. waited D. is waiting
The traffic on the main streets has a longer green signal than ___on the small ones.
A. one B. this C. that D. it
--I feel so nervous about the National English Speech Competition tomorrow.
--________.
A. I really envy you B. Glad to hear that
C. Sounds great D. Take it easy
假设你是星光中学的李华，将参加主题为“Let’s Ride Bicycles”的英语演讲比赛。请撰写一份演讲稿，主要内容可包括：目前汽车带来的空气污染、交通堵塞等问题；
骑自行车的益处，如节能环保，有利健康
参考词汇：低碳生活（low-carton life） 节能（energy saving）
注意：1.词数：120词左右；演讲稿开头和结尾已给出，该部分不计入总词数。
Good morning, everyone,
I am Li Hua from Xingguang Middle School. The topic of my speech is “Let’s Ride Bicycles”.
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Thank you for listening!
Once a man got on a bus for New York. He hid in∧ toilet, because he did not want to pay. But a passenger saw her. She tapped the person in front of her on the shoulder and say, "There's a bum(流浪汉) in the toilet. Tell the bus driver." The message was past from person to person. But anywhere along the way, it changed. The bus driver was told that there was a bomb in the toilet. He immediate stopped the bus and telephoned the police. When the police came in, they told the passengers to get off the bus or stay far away. Then they closed the highway. This soon caused a 15-miles-long traffic jam. Under the help of a dog, the police searched for two hours. Of course they found no bomb!
1. Scientists and experts have proved the uniqueness of finger-prints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case.
The ridge （隆起） structure on a person's fingers does not change with growth and is not affected by surface injuries. Burns, cuts and other damage to the outer part of the skin will be replaced in time by a new one, which bears a reproduction of the original pattern. 2. Some criminals make use of this fact to remove their own finger-prints but this is a dangerous and rare step to take.
Finger-prints can be made very easily with printer’s ink. They can be recorded easily. 3. Because of the simplicity and economy of this system, finger-prints have often been used as a method of solving criminal case. A suspected man may deny a charge but this may be in vain. 4. . When a suspect leaves finger-prints behind at the scene of a crime, they are difficult to detect with the naked eye. 5. Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained.
A. Special techniques are used to “develop” them.
B. A fingerprint is an impression of the friction ridges of all parts of the finger.
C. It is only when the inner skin is injured that the arrangement will be destroyed.
D. With special methods, identification can be achieved successfully within a short time.
E. A latent print is the chance reproduction of the friction ridges deposited on the surface of an item.
F. His finger-prints can prove who he is even if his appearance has been changed by age or accident.
G. Every human being has a unique arrangement of the skin on his fingers and this arrangement is unchangeable.
