在人类探索遗传物质的过程中，科学家以T2噬菌体作为实验材料，利用放射性同位素标记技术完成了噬菌体侵染细菌的实验，在此实验中，用35S、32P分别标记的是噬菌体的()
A. DNA、蛋白质
B. 蛋白质、蛋白质
C. DNA、DNA
D. 蛋白质、DNA
查看答案
What does the title of the movie “Apocalypse” mean?
A. new world
B. end of the world
C. hope
D. war
Which character employs a “cowboy” approach to warfare?
A. Captain Willard
B. Colonel Kurtz
Colonel Kilgore
D. Lance
Which continent did the second wave of colonial expansion center around?
A. the African continent
B. the American continent
C. the Asian continent
D. the European continent
The following statements are cultural roots of the expansionism in American national defense policy except ______.
A. Democracy and individualism is deeply engraved in Americans’ minds.
B. American has been a country that embraces national unity and solidarity.
C. As a country blessed by God, according to its people, America must expand its territory to strengthen its power.
D. The early settlers of the country believed themselves to be “the chosen people” of the God.
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