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【多选题】
以下哪些因素共同维持角膜透明性A.
完整的泪膜
B.
完整的角膜上皮细胞
C.
基质层胶原纤维束的规则排列
D.
角膜无血管
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皮皮学刷刷变学霸
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【单选题】The two schoolboys were so angry with each other that they had a ______ fight.
A.
sit-down
B.
knock-down
C.
sit-up
D.
stand-up
【单选题】There were other players as big as Wilt, but ______ was so skillful at shooting baskets.
A.
no one else
B.
no another one
C.
not any else one
D.
any other one
【单选题】They were certain that this problem, like so many other ______ problems, did not ever have to be ______ , but could be resolved through oblique means.
A.
insoluble... solved
B.
nettlesome... faced
C.
winsome... ignored
D.
troublesome ... categorized
E.
fulsome ... persuaded
【多选题】下列关于城镇土地使用税计税依据的表述中,正确的有( )
A.
凡由省级人名政府确定的单位组织测定土地的面积的，以测定的土地面积为准。
B.
尚未组织测定，但纳税人持有政府部门核发的土地使用证书的，以证书确定的土地面积为准
C.
尚未核发土地使用证书的，应由纳税人据实申报土地面积，并据以纳税，待核发土地使用证书后再做调整
D.
纳税人计算城镇土地使用税的计税依据是实际占用的土地面积
【简答题】( )程序通过删除无用文件来帮助释放硬盘驱动器的空间；有时由于意外原因导致磁盘出错，解决这个问题时需要运行( )程序。( )整理程序重新安排计算机硬盘上的文件、程序及未使用的空间，以便程序运行得更快，文件打开得更快。
【简答题】下列关于城镇土地使用税的计税依据的说法中，表述正确的有（ ）。
【单选题】Other girls in the office ____________ Mary’s looks, so they were not very nice to her.
A.
took pride in
B.
were jealous of
C.
were fond of
D.
were pleased with
【简答题】十进制算式7*+4*8+4的运算结果用二进制表示: 2、采用某种进制时,如果4*5=14,那么7*3= 3、有一个字节的二进制编码为11111111,如果将其作为带符号整数的补码,它所表示的整数值是: 4、将十进制数89.625转换成二进制后是: 5、6位无符号二进制数能表示的最大十进制整数是:
【单选题】David and Susan didn’t give in to each other, so they _________ the whole time they were together.
A.
have quarrelled
B.
had quarrelled
C.
were quarrelling
D.
had been quarrelling
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