同学之间既有共同点，又有不同点，我们应该如何理解这些共同点和不同点[ ] ①共同

国内首家设立私人银行业务部的内资银行是（）。

A.中国银行

B.中信银行

C.工商银行

D.招商银行

下面为恶性肿瘤的有（）

A.精原细胞瘤

B.骨肉瘤

C.黑色素瘤

D.神经纤维瘤

E.尤文氏瘤

Imagine fishermen walking down to the seashore, ready to carry out their early morning routine of preparing their boats and net. (51) they hope for a good catch of fish. But to their (52) , a horrible sight meets their still sleepy eyes. Thousands of fish have been washed ashore dead. The cause of this mass destruction—A red tide!

Red tides are a global (53) . They have been observed on both the Atlantic and the Pacific coasts of the United States and Canada. They have also occurred in many other places. Though relatively few people are (54) them, red tides are not new.

In the Philippines, a red tide was first seen in the province of Bataan in 1908. Since then, red tides have been seen in many other (55) . A Philippines red tide expert told us that " (56) the fish kills, the Philippines has documented 1, 926 eases of dead shellfish poisoning caused by red tides. "

The term "red tide" (57) the discoloration of water that sometimes occurs in certain areas of the ocean or sea. Although the color is often red, it may also be (58) of brown or yellow. The World Book Encyclopedia reports that "the discolored areas may range from (59) a few square yards to more than 2,600 square kilometers. "

What causes such discoloration Red tides are generally caused by several species of single-celled organisms. These tiny organisms have hair-like projections which they use to (60) themselves in water.

55().

A. sandy beaches

B. river mouths

C. coastal areas

D. reef areas

婴幼儿患化脓性脑膜炎时，最常见的病原菌是

A．大肠杆菌，金黄色葡萄球菌
B．肺炎双球菌，流感嗜血杆菌
C．脑膜炎双球菌，流感嗜血杆菌
D．肺炎链球菌，脑膜炎双球菌
E．绿脓杆菌，β-溶血性链球菌

某化工企业拟建化工机电工程项目，面向社会公开招标。要求投标人具有一级承包资质。有A、B、C、D四家承包单位通过了资格预审。E单位为化工机电二级资质，F单位为土建安装一级资质，两家单位组成联合体进行投标。最终该项目由A公司中标，并签订施工合同，合同约定所有设备由化工企业提供，对应施工材料由A公司自行采购，但必须符合施工要求和质量标准。项目开工后，经过化工企业同意，A公司将部分管道焊接工作分包给具有相应资质的G分包单位。施工过程中，对G分包单位的焊接质量进行检查，发现多处质量不合格，经排查，发现G分包单位擅自更改了焊接方法。A公司首次租赁的吊车进场验收不合格，被化工企业拒绝施工，于是第二次租赁了证件齐全的吊车，耽误了工期10天，A公司向化工企业递交了索赔意向书。项目验收完毕后，A公司参加了化工企业组织的联动试运行和负荷试运行。

E单位和F单位组成的联合体是否有资格参与投标，为什么？