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【单选题】
下列的输出结果是( )。 int x=10,y=2; if(x>=0) if(x==0) y=1; else y=-1; printf("%d",y);
A.
-1
B.
0
C.
1
D.
2
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参考答案:
举一反三
【单选题】下列关于竞争性抑制的叙述中哪一项是正确的
A.
抑制剂与酶结构相似
B.
抑制剂与底物结构相似
C.
抑制剂使酶变性而失活
D.
抑制剂使酶变构而失活
E.
以上都对
【简答题】小医生,下列各句均有一处错误,请找出并改正。 1.Which year was your brother born? ________________________________ 2.Do you like to look English stories? ________________________________ 3.My birthday is in July 25th. _____...
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文: My father woke me up early one morning...
A.
anxious and worried
B.
proud and excited
C.
nervous and confused
D.
inspired and confident
【简答题】阅读理解 A few years ago, when I was still in high school, I met a wonderful and warm teacher. At that time in my life, there were many changes to adjust to, apart from the usual age troubles. My pare...
【简答题】___教学使得小学英语课堂生动有趣。
【简答题】My brother Hershel celebrated his seenth birthday on January 4th, 1943. Unexpectedly, there was a(n) 1 in my family. Seeing young men from our village race to join the army, Hershel was greatly 2...
【简答题】简述菌藻共生体处理处理含砷废水的机理。
【简答题】阅读短文,回答问题。 Five years ago, I was a student in a middle school. There were five people in my family, my mother, my father, my sister, my brother and I. My father was a worker. My mother was a teacher o...
【简答题】下列关于非竞争性抑制剂的论述哪项是正确的?( )
【判断题】塑件上的文字尽量设计成凹字
A.
正确
B.
错误
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