皮皮学,免费搜题
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搜题
【单选题】
可获得协同作用的药物组合是
A.
青霉素+四环素    
B.
青霉素+氯霉素    
C.
青霉素+红霉素
D.
青霉素+庆大霉素    
E.
青霉素+克林霉素
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举一反三
【单选题】On the bank of the river, we found him ________ on a beach, with his eyes _____ on a kite in the sky.
A.
seated; fixing
B.
sitting; fixing
C.
seated; fixed
D.
sitting; being fixed
【简答题】指出名词作状语的情况,解释划线字的意思: 有 包 举宇内 席 卷天下 天下 云 集 响 应 赢粮而 景 从
【单选题】请读程序: #include<stdio.h> main() { int a;float b,c; scanf('%2d%3f%4f',&a,&b,&c) ; printf('/na=%d,b=%f,c=%f/n',a,b,c) ; } 若运行时从键盘上输入9876543210,↓,则上面程序的输出络果是_______。
A.
a=98,b=765,c=4321
B.
a=10,b=432,c=8765
C.
a=98,b=765.000000,c=4321.000000
D.
a=98,b=765.0, c=4321.0
【单选题】A 可使从动杆得到较大的行程。
A.
盘形凸轮机构
B.
移动凸轮机构
C.
圆柱凸轮机构
D.
以上均不对
【简答题】We found him ___ on the floor.
【单选题】A 可使从动杆得到较大的行程。
A.
C.圆柱凸轮机构
B.
B.移动凸轮机构
C.
A.盘形凸轮机构
D.
D. 以上均不对
【单选题】After we came into the house, we found him lying on the ground with his mouth _______ and eyes ________.
A.
open, close
B.
opened, closed
C.
opened, close
D.
open, closed
【单选题】We found him ___ on his back, looking upward.
A.
lie
B.
lying
C.
laying
D.
lain
【单选题】Entering the house we found him lying on the ground with his mouth ______ and eyes______.
A.
open ; close
B.
opened ; closed
C.
opened ; close
D.
open ; closed
【单选题】Entering the house we found him lying on the bed with his mouth _______ and eyes _______.
A.
open, close
B.
opened, closed
C.
opened, close
D.
open, closed
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