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【多选题】
常以乙醇为提取溶剂的浸提方法有
A.
水蒸气蒸馏法
B.
回流法
C.
渗漉法
D.
浸渍法
E.
煎煮法
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举一反三
【单选题】Which field was not greatly influenced by Latin and Greek?
A.
philosophy
B.
medicine
C.
technology
D.
food
【单选题】伽利略的斜面实验证明了( )
A.
要物体运动必须有力的作用,没有力的作用的物体将静止
B.
要物体静止必须有力的作用,没有力的作用的物体就运动
C.
物体不受外力作用时,一定处于静止状态
D.
物体不受外力作用时总保持原来的匀速直线运动状态或静止状态
【简答题】A.She likes the first one though it is expensive. B.She doesn't like both of them. C.She's going to choose the cheaper one to save money. D.She prefers the expensive one with less maintaining cost.
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_03.C) #include int f(){ static int i=0; int s=1; s+=i; i++; return s; } int main() { int i,a=0; for(i=0;i<5;i++) a+=f(); printf("%d\n",a); }
A.
20
B.
24
C.
25
D.
15
【单选题】伽利略的斜面实验证明了
A.
要物体运动必须有力作用,没有力作用的物体将静止
B.
要物体静止必须有力作用,没有力作用的物体就运动
C.
物体不受外力作用时,一定处于静止状态
D.
物体不受外力作用时总保持原来的匀速直线运动状态或静止状态
【单选题】伽利略的斜面实验证明了()
A.
要物体运动必须有力的作用,没有力作用的物体将静止
B.
要物体静止必须有力的作用,没有力作用的物体将运动
C.
物体不受外力作用时,一定处于静止状态
D.
物体不受外力作用时,总保持原来的匀速直线运动状态或静止状态
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_05.C) fun(int a,int b){ return a+b; } int main(){ int x=2,y=3,z=4; printf("%d\n ",fun(fun((x--,y++,x+y),z--),x)); }
A.
14
B.
13
C.
12
D.
10
【单选题】Which expression is not correct about the Olympic Games?
A.
Modern Olympic Games was born in Athens.
B.
Long jump is a program of the track and field.
C.
Ancient Olympic Games was dedicated to the great God Zeus.
D.
The slogan of 2008 Beijing Olympic Game is “ A New World”.
【单选题】Mary is tired of learning because she is _______ to do better than she can, both at school and at home. [     ]
A.
thought
B.
expected
C.
hoped
D.
helped
【单选题】下面程序的输出结果是________。(参考代码:XT_09_01_04.C) #include int x=1; fun(int m){ int x=5; x+=m; printf("%d ",x); m++; } int main(){ int m=3; fun(m); x+=m++; printf("%d ",x); }
A.
8 5
B.
8 4
C.
9 5
D.
9 4
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