【名词&注释】
调节作用(regulation)、国家利益、社会制度(social system)、色氨酸(tryptophan)、进一步(further)、德意志帝国(german empire)、历史学家(historian)、经济体系(economic system)、矛盾加剧、民族解放斗争
[单选题]腋芽原基进一步发育同样会产生与顶芽相同的叶原基。( )
A. 正确
B. 错误
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举一反三：
[单选题]EEvery day we experiencc one of the wonders of the world around us without even realizing it It is not the amszing complexity of television. Nor the impressive tcchnology of transport The universal wonder we share and
A. Experience is our ability to make noises with our mouths, and so transmit ideas and thoughts to each other’s minds. This ability comes so naturally that tend to forget what a miracle（奇迹）it is.
B. Obviously, the ability to talk is something that marks humans off from animals. Of course, some animals have powers just as amazing. Birds can fly thousands of miles by observing positions of the stars in the sky in relation to the time of day and year. In Nature’s went show, humans are a species of animal that have deve pod their own special act. If we reduce it to basie ferms, it’s a ability for communicating information to ther by varying sounds we make as we breathe out.
C. Not the to don’t have other powers of communication. Our facia. expressions convey our emotions, such as anger, or jout or disappointment. The way we hold our beads can indicate to others whether we are happy or sad. This is so-called “body language”. Bristling(直立的)fur is an unmistakable warning of attack among many animals. Similarly, the bowed bead or drooping tail shows a readiness to take second place in any animal gathering.
D. Such a means of communication is a basic mechanism that animals, including human beings, instinctively acquire and display. Is the ability to speak just another sort of instinct? If so, how did human beings acquire this amazing skill? Biologists can readily indicate that particular area of our brain where speech mechanisms function, but this doesn’t tell us how that part of our bodies originated in our biological history.
E. 72.According to the passage, the wonder we take for granted is____ .
F. our ability to use language
G. the mintle of technalay
H. the miaole power of nature
I. our canlity to make noises with mouth
[单选题]
A. easier
B. better
C. faster
D. worse
[单选题]美国历史学家(historian)杰里•本特利指出：当1 945年同盟国击败轴心国，摧毁德意志帝国和日本帝国时，随着另一场战争的开始，世界不得不重建。“重建世界"的主要原因是
A. 战后欧洲力图重建其中心地位 B． 亚非拉民族解放斗争掀起高潮
B. 战后新的经济体系(economic system)形成刺激了贸易竞争
C. 美苏在国家利益和社会制度上的矛盾加剧
[单选题]
A. natural
B. better
C. easier
D. convenient
[单选题]在植物细胞中，吲哚乙酸主要由色氨酸经一系列酶催化生成。下列相关叙述正确的是
A. 吲哚乙酸可在胚芽鞘中大量合成
B. 色氨酸至少含有一个氨基和一个羧基
C. 吲哚乙酸是一种具有调节作用的蛋白质
D. 过量的色氨酸可抑制吲哚乙酸的合成
[单选题]听第7段材料，回答第8、9题。
8 Where has Barbara been?
A. Milan
B. Florence
C. Rome
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