1.选择题- (共1题)
1.有一条由12个氨基酸组成,分子式为CXHYOWNZS(z>12,w>13),这条多肽链经过水解后的产物中有5种氨基酸:半胱氨酸(C3H7O2NS)、丙氨酸(C3H7O2N)、天冬氨酸(C4H7O4N)、赖氨酸(C6H14O2N2)、苯丙氨酸(C9H11O2N)。水解产物中天冬氨酸的数目是
2.单项选择- (共2题)
2.
I saw Mary dancing at Kate's birthday party and on that______she was really excellent.
I saw Mary dancing at Kate's birthday party and on that______she was really excellent.
A.scene | B.situation | C.position | D.occasion |
试卷分析
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【1】题量占比
选择题:(1道)
单项选择:(2道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:2
9星难题:0