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【多选题】
下列生物碱的结构类型属于异喹啉类的是( )
A.
小檗碱
B.
吗啡
C.
甲素
D.
麻黄碱
E.
长春碱
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【简答题】If you order before 15th April, (it's not necessary) for you to pay until August.If you order before 15th April, you ___________________________________
【单选题】对于下列Test.java下列哪个叙述是正确的? public class Test { public static void main (String args[ ]) { int m = 10, n = 20; if(n>m) System.out.print("hello"); System.out.print("你好"); else System.out.print("ok"); Syst...
A.
B.
C.
D.
D
【简答题】The book is optional. My professor said we could read it if we needed extra credit. But we ______ read it if we don't want to. (can't/ don't have to/mustn't)
【判断题】在微观层次上,日本文学的题材比中国文学题材要宽泛?
A.
正确
B.
错误
【简答题】如何加强平时的疫病预防工作?
【单选题】选出句中形容词 It is hot in summer.
A.
summer
B.
hot
C.
in
D.
it
【单选题】In the presence of an open flame or hot surfaces, chlorinated flourocarbon refrigerants decomposes and form .
A.
petroleum crystals
B.
phosgene gas
C.
water vapor
D.
carbon monoxide
【单选题】下列哪种加工方案可使孔的精度等级最高。( )
A.
B.
钻-扩-粗铰-精铰
C.
钻-扩
D.
粗镗-半精镗-精镗
【简答题】如何加强平时的疫病预防工作?
【单选题】下述程序的输出结果是( )。 #define N 20 void fun(int a[],int n,int m) { int i,j; for(i=m;i>n;i--)a[i+1]=a[i]; } main( ) { int i,a[N]={1,2,3,4,5,6,7,8,9,10}; fun(a,2,9); for(i=0;i<5;i++)printf('%d',a[i]); }
A.
10234
B.
12344
C.
12334
D.
12234
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