进行大地测量主题解算与平面投影计算能解决何问题？

读“黄河水系图”，回答下列问题。（每空1分，8分）

（1）填出黄河的主要支流名称：m           n             。

（2）填写水电站的名称：A             B             C             。

（3）黄河上、中游的分界点是内蒙古的          ，黄河中、下游的分界点是河南的           。

（4）黄河是世界上含沙量最大的河流，黄河泥沙主要来自中游的            （地形区）。

2015年全区国民经济和社会发展主要预期目标：全社会固定资产投资增长（），社会消费品零售总额增长（），一般公共预算收入增长（）。

Public Key Infrastructure (PKI) service providers offer organizations fully integrated PKI-managed services designed to secure Intranet, Extranet, Virtual Private Network (VPN), and e-commerce applications. PKI solutions can enable a number of security services, including p authentication and non-repudiation of transactions.
eToken enables the users of PKI systems to generate and store (101) and digital certificates inside the token, creating a secure environment and allowing full portability and maximum ease of use. eToken Pro can also perform sensitive on-chip (102) operations, ensuring that users’ keys axe never exposed to the PC environment, eToken eliminates the need to store (103) and keys on a hard disk or browser file, or to transmit them across the Internet/Extranet; assuring peace-of-mind and confidence during online communications.
A digital signature is created using the private key of an individual to ensure the Validity of his request. This technology can be used to guarantee (104) of various transactions. The strength of either the authentication level or the digital signature relies on the level of protection offered to the private key. eToken Pro offers the maximum level of security, since it enables the use of the private key for signing and authenticating inside the eToken.
The most secure use of authentication involves enclosing at least one certificate with every signed message. The message (105) verifies the certificate using the CA’s public key. If the sender’s public key is legitimate, the recipient verifies the message’s signature. Digital signatures created with a private key are verified with the digital certificate containing the public key.

A．private keys

B．public keys

C．authentication codes

D．message digests

不属于血管扩张药的是

A．酚妥拉明

B．硝酸甘油

C．氨茶碱

D．多巴胺

E．硝普钠

急性溶血的开始症状是（）

A.腰背及四肢酸痛、头痛、呕吐、寒战、高热等

B.昏迷

C.休克

D.血红蛋白尿

E.肾功能衰竭