抗日战争全面爆发后，八路军主力从集结地开赴华北战场协同友军作

【名词&注释】

流感病毒(influenza virus)、抗日战争(anti-japanese war)、等值线(isoline)、抗原决定簇(antigenic determinant)、答题卡(answer sheet)、工业原料(industrial raw material)、天南星科(araceae)、木本油料植物(woody oil plants)、人流感疫苗、挺进大别山

[单选题]抗日战争全面爆发后，八路军主力从集结地开赴华北战场协同友军作战，途中需要

A. 东渡黄河
B. 北渡长江
C. 跨越陇海线
D. 挺进大别山

查看答案&解析查看所有试题

学习资料：

[单选题]为防止甲型H1N1病毒在人群中的传播，有人建议接种人流感疫苗，接种人流感疫苗能够预防甲型H1N1流感的条件之一是：甲型H1N1病毒和人流感病毒具有相同的

A. 侵染部位
B. 致病机理
C. 抗原决定簇
D. 传播途径

[单选题]影响乙地等值线向北弯曲的最主要因素是

A. 地形
B. 季风
C. 纬度位置
D. 海陆位置

[单选题]The author bought coffee for the old man because

A. he thought the old man was poor
B. he wanted to start a conversation
C. he intended to show his politeness
D. he would like to thank the old man

[单选题]请阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该选项的标号涂黑。A

A. One morning more than thirty years ago, I entered the Track Kitchen, a restaurant where everyone from the humblest( )to the most powerful came for breakfast.I noticed am empty chair next to an elderly, unshaven man, who looked somewhat disheveled. He was wearing a worn-out hat and was alone. I asked if I might join him.He agreed quietly and I sat down to have my breakfast.
B. We cautiously began a conversion and spoke about a wide rang of things. We never introduced ourselves. I was concerned that he might have no money and not be able to afford something to eat. So as I rose to go back to the counter and buy a second cup of coffee,I asked,
C. “My I get you something ?”
D. “ coffee would be nice.”
E. Then I bought him a cup of coffee, We talked more ,and he accepted another cup of coffee,Finally,I rose to leave,wished him well,and headed for the exit. t the door I met one of my friends. He asked,
F. “How did you get to know Mr. Galbreath?”
G. “Who?”
H. “The man you were sitting with. He is chairman of the Board of Churchill Downs.”
I. I could hardly believe it. I was buying, offering a free breakfast, and feeling pity for one of the world’s richest and most powerful men!
J. My few minutes with Mr. Galbreath changed my life. Now I try to treat everyone with respect, no matter who I think they are, and no matter another human being with kindness and sincerity.
K. 56. What does the underlined word “disheveled” mean?
L. . Unfriendly.
M. Untidy.
N. Gentle.
O. Kind.

[单选题]

A. exact
B. basic
C. translated
D. expected

[单选题]显微镜观察物体时，发现视野中有一脏物，移动载片，脏物也动，说明脏物在下列哪一部分上?( )

A. 目镜
B. 物镜
C. 载玻片
D. 反光镜

[单选题]魔芋属天南星科^(araceae)，块茎入药、食用及做工业原料。( )

A. 正确
B. 错误

[单选题]木犀科的油橄榄是世界著名的木本油料植物^{(woody oil plants)}。( )

A. 正确
B. 错误

[单选题]维管射线包括木射线和韧皮射线。( )

A. 正确
B. 错误

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