[单项选择]I hope you have left none of your {{U}}belongings{{/U}} in the hotel.
A. documents
B. possessions
C. children
D. clothes

[单项选择]I hope you have left none of your {{U}}belongings{{/U}} in the hotel.
A. documents
B. possessions
C. children
D. clothes

[单项选择]—Tom, it is careless of you to have left your key in the lock hole of your car. —______ So I did. I might have my car stolen.

[单项选择]-- You should have thanked her before you left. -- I meant _____, but when I was leaving I couldn`t find her anywhere.
A. to do
B. to
C. doing
D. doing so

[单项选择]You must have the experience that you find your voice _________ on the telephone.
A. distorted
B. irregular
C. twisted
D. deformed

[单项选择]

When you have completed your college education,you will look for a job suited to your training,interests,and ambitions(志向).In most cases,you will visit a likely employer’s office and complete an application form for the position in which you are interested.The employer may then make a decision regarding your ability on the basis of the application form and a personal interview. Throughout your lifetime,however,you may find yourself in other job-seeking situations in an attempt to improve your position.As you gain experience,you are likely to become ambitious for better and better jobs.These better jobs often request written letters of application and summaries of your background and experience.Your writing skills may play an important part in obtaining the job you desire. In any job-seeking situation,there are a number of ways you may use your writing skills:to complete an application form,prepare a resume,write an application letter,or write employment follow-up letters.As
A. will follow their interests and ambition
B. like to visit every employer's office
C. can make an arrangement for an interview
D. will surely get a chance to improve position

[单项选择]

If you left your book on the table overnight, you would find the following morning that it was still exactly where you had left it, provided nobody had moved it. If a ball is made to roll on a very smooth surface, it will roll a long distance unless something stops it or changes its direction. This tendency of an object to remain at rest unless something moves it and to continue moving unless something stops it is known as the Law of Inertia. The following examples show the truth of this law.
(a) Put a table-cloth on a table and arrange a pile of books on it. Hold one edge of the table-cloth and pull it quickly. The table-cloth will come off, leaving the pile of books undisturbed.
(b) Place a small piece of cardboard on an open jar and place a coin on it directly over its mouth. Use one finger to flick the piece of cardboard away. You will notice that the coin drops into the jar.
(c) Sitting in a car which starts suddenly, you feel you are jerked backwards
A. motion
B. distance
C. position
D. direction