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【判断题】
下刻度线的数值加可动刻度的值A.
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错误
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【单选题】There were food shortages and other _______________ during theCivil War.
A.
discrepant
B.
multitude
C.
deprivations
D.
accumulation
【单选题】Which is NOT one of the factors that intensified food shortages in Ukraine?
A.
A poor harvest.
B.
A bitter winter.
C.
A spring drought.
D.
Rising food prices.
【简答题】The author has come to agree that food shortages could ultimately lead to the collapse of world civilization.
【简答题】Could Food Shortages Bring Down Civilization?
【简答题】选出与该句匹配的段落：The author has come to agree that food shortages could ultimately lead to the collapse of world civilization.?
【单选题】Great efforts to increase grain production _____ if food shortages are to be avoided. [ ]
A.
could be made
B.
must be made
C.
might be made
D.
would be made
【简答题】段落匹配：Could Food Shortages Bring Down Civilization? For many years I have studied global agriculturalSection B(2016年6月英语四级卷2真题及答案) Directions: In this section, you are going to read a passage with ten ...
【单选题】If negotiations for the new trade agreements take ______ critical food shortages will develop in several countries.
A.
too much longer
B.
much long too
C.
too many longer
D.
much too long
【简答题】某同学制作了人的口腔上皮细胞和洋葱表皮细胞临时装片,还绘制了口腔上皮细胞丙,请分析回答。 (1)切取洋葱鳞片叶时常有刺激物喷出,这些刺激物来自细胞结构中的 。 (2)图一中,制作临时装片正确的操作顺序是:[3]→[4]→[ ]→[ ]。 (3)图二甲图中在盖玻片的一侧滴加的是 ,目的是更清楚地观察细胞结构。细胞中被染色最深的结构是 。 (4)乙图中观察到的物像放大了 倍。丙图的错误是人口腔上皮细胞...
【简答题】某同学制作了人的口腔上皮细胞和洋葱表皮细胞临时装片,还绘制了口腔上皮细胞丙,请分析回答。 1 盖片 2 用解剖针 将表皮展平 3 滴清水 4 取材 图一 图二 ( 1 )切取洋葱鳞片叶时常有刺激物喷出,这些刺激物来自细胞结构中的 。 ( 2 )图一中,制作临时装片正确的操作顺序是: [ 3 ]→[ 4 ]→[ ]→[ ] 。 ( 3 )图二 甲图中在盖玻片的一侧滴加的是 ,目的...
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