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【简答题】
A.糖苷键 B.碱基堆积力 C.氢键 D.3',5'-磷酸二酯键 维持DNA 结构横向稳定性的是( ) 维持DNA结构纵向稳定性的是( ) 核酸分子中核苷酸之间的连接方式是( )
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参考答案:
举一反三
【简答题】Complete the following statements. 1) According to the speaker, UK personal taxation is both ____ 1 ____ and relatively low. 2) The new legislation recently introduced by the government is that marrie...
【单选题】正确的自定义标识符是 ( )
A.
 a=88
B.
 a*b
C.
 stuff
D.
 for
【单选题】正确的自定义标识符是 ( )
A.
a=5
B.
a*b
C.
NaMe
D.
double
【简答题】当 r1•r2=1 时,可进行( )共聚。
【单选题】听力原文: When Colonel Harland Sanders retired at the age of 65,he had little to show for himself,except an old Caddie roadster,a $105 monthly pension check,and a recipe for chicken. Knowing he couldn't l...
A.
He had no pension.
B.
He had a great car.
C.
He was right at the age of 56.
D.
He owned a recipe for chicken.
【单选题】国家社会保险公共服务平台 China officially kicked off a national online platform for social insurance on Sunday after a month-long test. The platform streamlines 18 unified national services in eight categories fo...
A.
national social insurance public service platform
B.
national online platform for social insurance
【单选题】口腔护理擦洗顺序正确的是()。
A.
左上内侧舌面、左上咬合面,左下内侧舌面、左下咬合面
B.
左上内侧舌面、左下内侧舌面,左上咬合面、左下咬合面
C.
左上内侧舌面、右下内侧舌面,左上咬合面、右上咬合面
D.
右上内侧舌面、右下内侧舌面,右上咬合面、右下咬合面
E.
右上内侧舌面、右上咬合面,左下内侧舌面、左下咬合面
【多选题】特殊口腔护理时擦洗口腔内容正确的是
A.
有活动义齿者,取下义齿,浸泡在生理盐水中
B.
先纵向擦洗牙齿外侧面,从磨牙至门齿处
C.
擦洗顺序一般是先上后下,由内向外
D.
如果擦洗部位污垢过多可一次性夹取多个棉球
E.
棉球不宜过湿,以防患者将溶液吸入呼吸道
【简答题】当 r1=r2=1 时,可进行( )共聚。
【单选题】正确的自定义标识符是( )
A.
_123
B.
a-bc
C.
5abd
D.
I Like C
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