1. How about taking a bus to school?(改为同

纯种甜玉米和纯种非甜玉米间行种植，收获时发现甜玉米果穗上有非甜玉米籽粒，而非甜玉米果穗上却无甜玉米籽粒．原因是（）

A．甜是显性性状

B．非甜是显性性状

C．显性的相对性

D．环境引起的变异

患者男性，3岁，因“腹泻”来诊。门诊医师开具环丙沙星注射液50ml，静脉滴注，药师按医嘱抄写注射单。药房环丙沙星注射液规格为100ml（0.2g）/瓶。少量滴注时，患儿开始哭闹，注射部位肿胀，护士重新进针后把100ml环丙沙星全部滴注。回家后患儿哭闹不安，患者家属咨询专业人员后，状告医院并要求经济赔偿。

儿童不宜使用的药物有（）.

A.青霉素

B.四环素

C.头孢拉定

D.诺氟沙星

E.氯霉素

F.阿莫西林

G.红霉素

软件的______设计又称为总体结构设计，其主要任务是建立软件系统的总体结构。

网络安全攻击方法可以分为服务攻击与______攻击。

1) ______the Grammar-Translation Method
2) ______ the Direct Method
3) ______ the Oral Approach
4) ______ the Audiolingual Method
5) ______ the Cognitive Approach
a) The neogrammarians, represented by Hermann Paul formed its main linguistic base.
b) The structural linguists believed that the primary medium of language is oral, that is language is speech.
c) It lays emphasis on the conscious acquisition of language as a meaningful system.
d) It can be characterized as a type of British "structuralism".
e) It believes in the natural process of language learning and in the inductive teaching of grammar.