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发布时间:2023-09-29 17:44:43

[单项选择]Dr. Marcy thinks that life may exist in the 55 Cancri system because ______.


A. he has found the system similar to the solar system
B. he has discovered an Earth-like planet there
C. he has discovered a rocky planet there
D. he has found signs of life in the system

更多"Dr. Marcy thinks that life may exis"的相关试题:

[单项选择]Dr. Marcy thinks that life may exist in the 55 Cancri system because ______.
A. he has found the system similar to the solar system
B. he has discovered an Earth-like planet there
C. he has discovered a rocky planet there
D. he has found signs of life in the system
[单项选择]Natural monopolies exist because they can produce at lower costs with greater output, which means there are economies of scale. Which of the following industries is typically a natural monopoly()
A. Technology.
B. Utilities.
C. Oil.
[单项选择]Different ways of life exist among different peoples because of______.


A. their adaptive value
B. their distinctive value
C. lack of better technology
D. mutual isolation
[单项选择]

Strong bonds can exist in dating relationships. My cousin Candice and her friend Louis started dating casually last year. As the months passed, they began seeing only each other, and now they enjoy a close relationship. They are neither married or engaged but are constant companions and consider each other best friends. Candice’s friends think of them as a couple and recognize their special relationship.
Both Candice and Louis have made commitments to each other. They think of themselves as couple. However, each has the freedom to develop new friends, to seek separate social activities, to build separate careers, and to have his or her individual needs fulfilled.
Living together can be the transition from extended dating to marriage. Just recently, Louis and Candice decided to live together. They are not sure about marriage and want to try living together first. Louis has many divorced friends who had rushed into marriage. He doesn’t want to make a sim
A. is practiced by relatively few
B. is guilty
C. is pretty common among singles
D. will involve both good and trying times

[单项选择]Matter on the Sun can exist only in the form of gas because of the Sun's ________.


A. size
B. age
C. location
D. temperature
[单项选择]The project life-cycle can be described as()
A. project concept, project planning, project execution, and project close-out
B. project planning, work authorization, and project reporting
C. project planning, project control, project definition, WBS development, and project termination
D. project concept, project execution, and project reporting
[单项选择]How may novels have been published during the lifetime of William Faulkner
A. 14.
B. 100.
C. 19.
D. Not mentioned.
[单项选择]

However important we may regard school life to be, it cannot be denied that children spend more time at home than in the classroom. (21) ,the great influence of parents cannot be (22) or disregarded by the teacher. They can become (23) supporters of the school personnel or they can consciously or unconsciously interfere (24) the goals of the programs.
Teachers have been aware (25) the need for the newer methods used in schools. Many principals have (26) classes showing such matters (27) the reading, writing, and mathematics pro grams.
Moreover, the classroom teacher, with the permission of the principal, can also play an important (28) in helping parents. The many interviews carried (29) during the year as (30) as new ways of reporting pupils’ progress, can significantly aid (31) achieving a good inter-reaction between school and (32) .
Too often, however, teachers&rs
A. That
B. Which
C. What
D. Where

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