搜题请搜索小程序“爱下问搜题”
问题 单项选择题

世界卫生组织EPI（扩大免疫计划）规定，到1990年所有儿童都能得到的免疫生物制品为（）

A.卡介苗、百日咳菌苗、麻疹、脊髓灰质炎疫苗

B.百日咳菌苗、麻疹、脊髓灰质炎疫苗、白喉类毒素

C.麻疹、脊髓灰质炎疫苗、白喉、破伤风类毒素

D.卡介苗、百白破、脊髓灰质炎疫苗、麻疹疫苗

E.卡介苗、百白破、脊髓灰质炎疫苗、麻疹疫苗、流行性乙型脑炎疫苗

答案

参考答案：D

写作题

上周末你带了个外国朋友游览了江阴，并花了约半天时间游览了鹅鼻嘴公园(Ebizui Park)。请根据要点给学校青青草文学社写一篇报道。内容要点如下：

1、鹅鼻嘴公园是江阴最著名的名胜之一，每天吸引大量游客来赏景；

2、几年前，有些游客无视保护环境的重要性，乱扔垃圾，践踏草坪；

3、如今发生了巨大的变化，是许多鸟类的理想家园；

4、为把江阴建成最适合人居的地方，你将……

注意： 1、第4要点的内容须用1-2句话展开合理想象，作适当发挥；

2、词数80个左右。

Last weekend                                                                                

                                                                                           

                                                                                           

                                                                                           

                                                                                           

                                                                                           

                                                                                           
查看答案
单项选择题

Which of the following statements concerning taxable bonds is TRUE（）

A. Corporates have the lowest yields, followed by Treasuries, then by corporates, which provide the highest returns.

B. Treasuries have the lowest yields, followed by corporates, then by agencies, which provide the highest returns.

C. Treasuries have the lowest yields, followed by agencies, then by corporates, which provide the highest returns.
查看答案