互联网上网服务营业场所的安全管理应该包括以下（）层次的管理。 A.政府职能部门应依法

Which classification of hedge funds is least likely to use a short position in stock as a part of its strategy（）

A. Market-neutral funds.

B. Risk arbitrage in mergers and acquisitions.

C. Emerging-market funds.

“超能力、超强度或者超定员组织生产”，是指有下列（）情形之一。

A、矿井全年产量达到矿井核定生产能力

B、一个采区内同一煤层布置3个（含3个）以上采煤工作面

C、矿井全年产量超过矿井核定生产能力

D、矿井月产量超过当月产量计划10％

下图表示人体内环境稳态的调节机制，下列叙述错误的是（）

A.内环境稳态是由神经—体液—免疫调节网络实现

B.若①表示免疫活性分子，则①包括抗体、淋巴因子等

C.若②表示促甲状腺激素，其分泌量仅受促甲状腺激素释放激素调节

D.血糖浓度与胰岛素之间通过负反馈调节维持含量的相对稳定

压力容器使用单位制定的特种设备使用安全管理方针应与本单位使用的特种设备特性及（）相适应。

A.购置时间

B.数量

C.价格

D.安装位置

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. There are two types of key technology: private key and public key. Private-key encryption methods are called (71) ciphers, information is encrypted with (72) both the sender and receiver hold privately. Public-key encryption methods are called (73) ciphers, (74) created for each user, encryption key and decryption key are (75)

A．synchronous

B．Asynchronous

C．symmetric

D．asymmetric