He had his camera ready ________ he saw

题型:选择题

问题:

He had his camera ready ________ he saw something that would make a good picture.

A.even if

B.soon after

C.in case

D.so that

考点:并列连词从属连词
题型:选择题

病历摘要:患者女性,30岁,头痛、头晕、乏力,伴血压高2年。体查:BP183/100mmHg(右),173/96mmHg(左),心率70次/分,各瓣膜区未闻及杂音。辅助检查,血生化:K3.1mmol/L,Na150mmol/L,Cl96mmol/L,空腹血糖6.5mmol/L。

患者应进一步进行哪些检查?()

A.测上下肢血压

B.双侧肾上腺CT检查

C.OGTT试验

D.心电图

E.立卧位血肾素、血管紧张素、醛固酮测定

F.肾动脉造影

题型:选择题

下面关于网络信息安全的一些叙述中,不正确的是 ______。

A.网络环境下的信息系统比单机系统复杂,信息安全问题比单机更加难以得到保障

B.电子邮件是个人之间,的通信手段,有私密性,不使用软盘,一般不会传染计算机病毒

C.防火墙是保障单位内部网络不受外部攻击的有效措施之一

D.网络安全的核心是操作系统的安全性,它涉及信息在存储和处理状态下的保护问题

题型:选择题

Microwave communication uses high-frequency (71) waves that travel in straightlines throughthe air. Because the waves cannot (72) with the curvature of the earth, they can be (73) only over short distance. Thus, microwave is a good (74) for sendingdata between buildings ina city or on a large college campus. For longer distances, the wavesmust be relayed by means of"dishes" or (75) . These can be installed on towers, highbuildings, and mountain tops.

A.transmitted

B.transformed

C.converted

D.delivered

题型:选择题

患者,女性43岁,拟拔残根,采用普鲁卡因局麻后出现过敏反应,此时首先应采用的药物治疗是()

A.阿拉明

B.阿托品

C.10%葡萄糖溶液

D.吗啡

E.肾上腺素

题型:选择题

下列哪种风险说明了与程序的陷门有关的风险()。

A.固有风险

B.审计风险

C.检查风险

D.业务(商业)风险

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