下列词语中划线字的注音全都正确的一项是( )
A:间断(jiàn) 渲染(xuàn) 肖像(xiào) 装模作样(mú)
B:馄饨(dùn) 着手(zhuó) 皲裂(jūn) 觥筹交错(gōng)
C:骸骨(hài) 晦朔(shuò) 胚胎(pēi) 强颜欢笑(qiǎng)
D:提挈(qì) 肚脐(qí) 市侩(kuài) 谑而不虐(xuè)
有研究表明,吸烟者的肺癌发病率要比不吸烟者高10~20倍.下表为某地区男性吸烟数量与肺癌发病率的关系表,请据表分析:
阅读理解
Mr. Smith made many tests with different animals and the monkey was the cleverest of all the animals.
One day Mr. Smith put a monkey in a room. He also put some small boxes in it. In one of the boxes there was some food. "How long will it take the monkey to find the food?" Mr. Smith said to himself. "Let me wait and see." He left the room and waited outside. Three minutes later, he put his eye to the keyhole. What did he see? He saw the eye of the monkey. The monkey was on the other side of the door and looked at Mr. Smith through the keyhole.
下列图形中,既是中心对称图形又是轴对称图形的是( )