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【多选题】
看电视和静坐会增加下列哪类癌症的发生风险
A.
结肠癌
B.
肺癌
C.
子宫内膜癌
D.
鼻咽癌
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【单选题】表达式 a+=a-= a=9 的值是
A.
9
B.
-9
C.
18
D.
0
【单选题】What distinguished Dr. Jeol Hiderbrand from others as early as in high school?
A.
He was given the key to the chemistry lab.
B.
His discovery of the correct formula for some chemical compound.
C.
He learned more chemistry from his teacher.
D.
His excellent score in chemistry learning.
【单选题】人类进入文明时代的标志是()。
A.
汉字的出现
B.
人类的产生
C.
摩擦生火
D.
文字的出现
【简答题】Dr. Deb Roy turned his own home into a 1)________ laboratory and his Guinea pig (小白鼠/研究对象)was 2)__________. He set up his home as an 3)________ space and captured this kind of rich 4)_______ record of...
【简答题】Henry was from the United States and he had come to London for a holiday. One day he was not feeling well.  So he was to the clerk at the desk of his hotel and said, “I want to see a doctor. Can you g...
【单选题】人类进入文明时代的标志是( )。
A.
火的发明和使用
B.
奴隶制国家的建立
C.
脑力劳动和体力劳动的分工
D.
文字的出现
【单选题】Dr. Baum came to visit one particular British national park mainly because .
A.
he was to present the park with a diploma for its achievements
B.
he was concerned about how the park was being run
C.
it was the only national park of its kind in Europe
D.
it was the only park which had ever received a diploma from the Council
【单选题】网络信息资源不具备 特点
A.
存储数字化
B.
信息源简单,管理容易
C.
使用方便共享性强
D.
表现形式多样化
【简答题】人类从愚昧、野蛮到文明经历了漫长的发展过程,人类进入文明时代的标志是( )。
【单选题】人类进入文明时代的标志是()
A.
秦的统一
B.
文字的发明
C.
春秋战国时期的百家争鸣
D.
撰写史书
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