问题 单项选择题 A1型题

细胞在接受一次刺激产生兴奋的一段时间内兴奋性的变化,不包括下列哪期()

A.绝对不应期

B.相对不应期

C.超常期

D.恢复期

E.低常期

答案

参考答案:D

句型转换

句型转换。

1. It often rains in summer in Yangzhou.(改为一般疑问句)

                                                                                                                        

2. Do more exercises.(改为否定祈使句)

                                                                                                                        

3. Their Chinese teacher goes home on foot after work.(改为同义句)

                                                                                                                        

4. He ate two eggs and some bread for breakfast this morning.(对画线部分提问)

                                                                                                                        

5. Jane gets up early. But Kate gets up earlier.(合并成一句话)

                                                                                                                        

问答题 简答题