问题 单项选择题

哺乳动物的中枢淋巴器官包括()。

A.胸腺、淋巴结及脾

B.胸腺及淋巴结

C.胸腺及脾

D.胸腺及骨髓

E.胸腺及腔上囊

答案

参考答案:D

写句子

按要求写句子。  

1.数十只食肉鸟发出的欢乐叫声响彻云霄。(缩句)

                                                                                                

2.一只鸟飞来,说:“公主,公主,这儿是片沼泽地,不好走。”(改为第三者转述)

                                                                                                

3.看到这富有情趣的乡间生活,谁会不动心呢?(给句子换个说法,不改变句子的原意) 

                                                                                                                                       

4.解放军战士是最可爱的人。(改为反问句) 

                                                                                                                                       

5.没找到交通员,雨来怎么能去呢?(改为陈述句)

                                                                                                                                       

判断题