下列各句中划线的成语使用不正确的一项是( )
A:人活得要有意义,但无须赢得万人敬慕或挣得万贯家私。
B:他学习很好,经常给同学讲题,他这种恃才放旷的性格赢得了大家的好评。
C:面对接二连三的质询,有人额头上冒出了汗,但更多的答问者思路缜密,对答如流。
D:张老师慷慨激昂的演讲,博得了一阵又一阵热烈的掌声。
下列关于生产实践中涉及的生物学原理解释不正确的是( )
阅读理解
This is my new bedroom. There is a small shelf on the desk. Two end tables are near the bed and a photo is over the bed. The chair is in front of the desk. Look at my shoes. They are under the bed. I clean my bedroom on Sunday. I empty the trash every day. Mom says I'm a helpful boy.