4岁男孩，妈妈给其穿衣服时牵拉左腕。患儿突然大哭，左肘功能障碍，左手不肯拿取玩

阅读短文，看表格，完成下列各题。

      There are forty-eight students in my class. Some students go to school on foot. Some students go to

school by bike. Some students go to school by bus. Some students go to school by subway. Some students

go to school with other ways.

1. There are _____________ (填数字) students in my class.

2. _____________ (填数字) students go to school by subway.

3. Sixteen students go to school _________________.

4. Eight students go to school _____________ bike.

5. Eight students go to school by _____________.

仔细观察横线两旁的算式（不要去计算）然后尽快地选择一个合适的符号，横线里填上“＞”“＜”或“=”

①（84+45）×9______84+45×9

②（320+171）÷4-8______320+171÷4-8．

下列交通运输工具的说法正确的是

有效的内部控制应为证券公司实现下述（）目标提供合理保证。

A．保证经营的合法合规及证券公司内部规章制度的贯彻执行

B．防范经营风险和道德风险

C．保障客户及证券公司资产的安全、完整

D．保证证券公司业务记录、财务信息和其他信息的可靠、完整、及时

法家主张“重刑连其罪”，意思是要严厉打击连续犯、惯犯、累犯。