铸件壁间转角处一般应具有(),因直角连接处的内侧较易产生缩孔、缩松和应力集中。
参考答案:结构圆角
根据短文内容和首字母提示,把文中所缺单词填写在短文后的横线上。
The generation gap (代沟) has become a serious problem. It's reported that some children have killed
themselves a 1 arguing with their parents. I think this is because they don' t have a good t 2 with
each other. Parents now spend more time in the office, so they don't have much time to s 3 with their
children. As time passes, they both feel that they don't have the s 4 topic (话题) to talk about. I think
parents should be more with children, get to know them and understand them. And for children, show
your feeling to your parents. They really love you. So t 5 them your thoughts (想法). In this way,
you can have a better understanding of each other.
1. ______ 2._______ 3. _______ 4. ________ 5. _______
下列句中,没有语病的一句是[ ]
A、通过大家的帮助,使他学习成绩有了很大的提高。
B、我们青少年,一定要肩负起建设伟大繁荣富强的社会主义强国。
C、为了防止震后疫情发生,玉树灾区领导要求行政单位进一步加强管理,制定严密的防范措施。
D、能否取得良好的学习成绩,关键在于勤的程度。