美国芝加哥大学的演化古生物学家Jack Sepkoski教授,收集了北美、欧洲等地的化石记录,构建了第一
此题为判断题(对,错)。
此题为判断题(对,错)。
A.遇害 变化 实验
B.遇难 演化 实验
C.遇难 演化 试验
D.遇害 变化 试验
A.具有相似的特征是不同类型的生物在进化上相联系的标志;
B.厥姆恐龙和鸟类可能会有共同的祖先。
C.厥姆恐龙化石和早期鸟类化石的知识是完整的。
D.已发现的化石揭示了鸟类和厥姆恐龙起源的相对日期。
______ his sister, Jack is quiet and does not easily make friends with others.
A.Dislike
B.Unlike
C.Alike
D.Liking
Jack: Say, Jane, let's go and get a bite to eat.
Jane: _________?
Jack: How about McDonald's?
Jane: Great.
A. Where to
B. What for
C. How to
D. Why so
The first, second, and third prizes went to Jack, Tom, and Harry ______.
A.equally
B.different
C.similarly
D.respectively
Tom and Jack have returned but ______ students of the group haven't come back yet.
A.other
B.the others
C.others
D.another
The author of this passage implies that nowadays the story of Jack would be______.
A.believable
B.inspiring
C.unbelievable
D.sad
B、Jack is more romantic than Cal
C、 They share similar tastes and interest, values and outlooks on life Meanwhile, Rose feels at ease together with Jack
D、00001. Rose always feels bored and suffocated with Cal
Jack is news reporter and he likes job very much.
A.a;the
B.the;the
C.the;a
D.a;a
The idea for the new project came to Jack ______ to his study recently.
A. while devoting
B. while devoting himself
C. while he was devoted
D. while devoted