测定烟气主要成分含量时,应在靠近烟道()处采样测量。
A、中心处
B、边缘处
C、拐角处
D、任意点
参考答案:A
Read, judge and draw. 根据短文内容,判断下列句子是(√)否(×)正确。
Alice is an English girl. She is thirteen years old. Now she lives in China. She lives in an apartment on the
eighth street. It's near our scliool, but far from my house. She walks to school every day. And I go to school by
bicycle. Alice and I are in the same class. We're good friends.
( ) 1. Alice is a Chinese girl.
( ) 2. Alice lives in an apartment in China.
( ) 3. Our school is far from my house.
( ) 4. I walk to my school.
( ) 5. Alice is my good friend.
血液一般检查中,下列哪项指标参考值有性别差异
A.白细胞计数
B.血小板计数
C.白细胞分类
D.红细胞压积
E.嗜酸性粒细胞直接计数