(2)在作者看来,达尔文21年后才发表他的进化理论,原因是什么?请简要分析。(6分)
The dictionary is what I want,but I don’t have enough money me.
A.by
B. for
C. in
D.with
He had lost his temper and his health in the war and never found _________of them again.
A.neither
B. either
C. eath
D.all
我国积极开展多边外交,努力发展同发达国家的关系,全面深化同周边国家的睦邻友好关系,大力加强同发展中国家的团结合作。我国外交政策的宗旨是
A.独立自主B.和平共处五项原则
C.维护世界和平、促进共同发展
D.维护我国的独立和主权,促进世界的和平与发展
a certain doubt among the people as to the practical value of the project.
A.IthasB.Theyhave
C.ItremainsD.Thereremains