阅读下面这首词，完成后面题目。 送韩十四江东觐省① 杜　甫 兵戈不见老莱衣②，叹

句型转换。

1. There are some new students in our school this term. (改为否定句)

    There _____ _____ new students in our school this term.

2. The students don't have much time to play with their Friends. (改为反意疑问句)

    The students don't have much time to play with their _____ _____.

3. Maria and Jane have waited at the airport for two hours. (对画线部分提问)

    _____ _____ have Maria and Jane waited at the airport?

4. The questions are very hard. The children cannot understand them. (合并为一句).

    The questions are _____ _____ for the children to understand.

灾害事故分以下三类：一般事故；重大事故；特大事故。

教师的个性、情绪、健康以及处理人际关系的品质等统称为教师的___________。

形成肌肉甜味的原因（）

A、亮氨酸

B、甘氨酸

C、苏氨酸

D、谷氨酸

根据《合同法》的规定，下列情形中，要约没有发生法律效力的是( )。

A．撤回要约的通知与要约同时到达受要约人

B．撤销要约的通知在受要约人发出承诺通知之前到达

C．同意要约的通知到达要约人

D．受要约人对要约的内容作出实质性变更