.The artist made up his mind to devote a

题型:选择题

问题:

.The artist made up his mind to devote all he could ____his English before

going abraod. 

A.improving

B.to improve

C.imprve

D.to improving

考点:现在分词的被动式现在分词不定式的被动式过去分词
题型:选择题

晨昏线上各地的太阳高度角

A.等于0度

B.大于0度

C.小于0度

D.等于90o

题型:选择题

下列哪项不是羊水过多的临床表现

A.常合并胎儿畸形

B.糖尿病患者多见

C.单胎妊娠多于双胎

D.多发生于妊娠20~24周

E.羊水超过2000ml以上

题型:选择题

电化学发光免疫分析中,电化学反应进行在()

A.液相中

B.固相中

C.电极表面上

D.气相中

E.电磁铁表面

题型:选择题

________of being involved in the attempted murder, she was questioned by the police.[    ]

A. Convinced  

B. Suspected

C. Charged  

D. Confirmed

题型:选择题

下列属于非关税壁垒的措施是()。

A.反倾销税

B.反补贴税

C.进口附加税

D.国内最低限价

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