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【单选题】
为降解伤口内蛇毒,可用于伤口外周封闭的是
A.
糜蛋白酶
B.
胰蛋白酶
C.
青霉素
D.
脂肪酶
E.
地塞
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【单选题】Mary often goes ____________ with her friends at weekend.
A.
dance
B.
dances
C.
dancing
D.
to dance
【简答题】一个完整的通信系统应包括信息源、发送设备、-----、接收设备和信息宿五个基本部分。
【单选题】Mary often goes to school by bus but _______ her father drives her to school. [     ]
A.
sometimes
B.
some times
C.
sometime
D.
some time
【单选题】单项选择。 Mary often goes out _____ a walk ______ her mother after supper. [     ]
A.
to, and
B.
for, and
C.
for, with
D.
to, with
【单选题】Mary often goes to work late because______.
A.
she can't go to bed on time
B.
she doesn't like her work at all
C.
something is wrong with her watch
【判断题】镜检病组织中有无喷菌现象是进行真菌病害诊断的关键A. × B. √
A.
正确
B.
错误
【简答题】一个完整的通信系统应包括信息源、发送设备、-----、接收设备和------五个基本部分。
【单选题】Mary often goes to school______ bus.
A.
on
B.
by
C.
in
【简答题】根据首字母完成单词。 1.  Mary often goes h______in the mountain. 2.  I'm p______ to have dinner with my pen pal. 3.  I thought about going to a big city, but decided on the c______ 4.  My friend sent me a p____...
【简答题】按括号内要求完成下列句子,每空格限填一词。 小题1:Mary often goes hiking on Saturday afternoon with her parents. (改为一般疑问句) ___________ Mary often ___________ hiking on Saturday afternoon with her parents? 小题2:Our school orga...
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