如图所示，长方形AEEG被线段BF、HD分为四个大小不等的小长方形。已知AH为6cm,GF为3cm,DE为10cm,BC为7cm。则三角形ICG的面积为()。
A. 32cm2
B. 28cm2
C. 30cm2
D. 26cm2
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变性蛋白质的主要特点是()。
A. 黏度下降
B. 溶解度增加
C. 不易被蛋白酶水解
D. 生物学活性丧失
E. 容易被盐析出现沉淀
2003年浙江省人均GDP比1978年()。
A. 翻了近四番
B. 增加了6.37倍
C. 增加了7.37倍
D. 增加了700%
A．The woman will record tonight's program.B．He will be hinting a meeting with his boss
A. The woman will record tonight's program.
B. He will be hinting a meeting with his boss at that time.
C. His boss might ask him to stay up late.
D. He may have to prepare for tomorrow's business trip.
In practice, which of the following is the most important feature that makes an object an
A. It has to be 100 years old.
B. It has to be at least 20 years old.
C. It has to be beautiful and decorative.
D. It has to have aesthetic or historic value.
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