符合维生素D缺乏性佝偻病患儿初期辅助检查结果的是______ A．甲

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问题单项选择题

符合维生素D缺乏性佝偻病患儿初期辅助检查结果的是______

A．甲状旁腺激素降低
B．血钙、血磷降低
C．碱性磷酸酶明显升高
D．骨骺软骨增宽
E．骨干密度普遍减低

答案

参考答案：B

阅读理解

认真阅读短文，选择正确的答案。

I am a boy. My name is Li Ming. I am twelve. I am a student. I like to play ping-pong. In the morning,

I go to school. In the afternoon, I go home. After supper, I do my homework.

1. Is Li Ming a boy? [ ]

A. Yes, he is.

B. No, he isn't.

2. How old is Li Ming?[ ]

A. He's twelve.

B. He's eleven.

3. Is Li Ming a student?[ ]

A. No, he isn't.

B. Yes, he is.

4. ____________, Li Ming goes to school. [ ]

A. In the afternoon

B. In the morning

5. __________, Li Ming does his homework. (做作业)[ ]

A. In the afternoon

B. After supper

单项选择题

设变量均已正确定义并赋值，以下与其他三组输出结果不同的一组语句是( )。

A) x++;printf("%d\n",x);
B) n=++x;printf("%d\n",n);
C) ++x;printf("%d\n",x);
D) n=x++;printf("%d\n",n);