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【单选题】
已知NH 4 + +AlO 2 - +2H 2 O=Al（OH） 3 ↓+NH3?H 2 O，向含有等物质的量的NH 4 + 、Al 3+ 、H + 混合溶液中，慢慢滴加NaOH溶液，直至过量，发生以下离子反应：发生反应的先后顺序正确的是（ ） ①H + +OH - =H 2 O ②Al（OH） 3 +OH - =AlO 2 - +2H 2 O ③Al 3+ +3OH - =Al（OH） 3 ↓ ④NH 4 + +OH - =NH 3 ?H 2 O．A.
①→④→③→②
B.
①→③→②→④
C.
①→③→④→②
D.
①→②→③→④
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【单选题】You deploy a windows server 2008 VPN server behind a firewall. Remote uses connect to the VPN by using portable computers that run windows vista with the latest service pack. The firewall is configure...
A.
Create an IPsec tunnel.
B.
Create an SSTP VPN connection.
C.
Create a PPTP VPN connection.
D.
Create a L2tp VPN connection.
【单选题】—How was your last vacation for Beijing? —______. [ ]
A.
It's good.
B.
They are boring
C.
It was interesting.
D.
It was far away.
【多选题】下列关于药物代谢的叙述,正确的是( )
A.
药物代谢是药物在体内发生化学结构变化的过程
B.
参与药物代谢的酶通常分为微粒体酶系和非微粒体酶系
C.
通常代谢产物比原药物的极性小、水溶性差
D.
药物代谢主要在肝脏进行，也有一些药物肠道代谢率很高
E.
代谢产物比原药更易从肾脏排泄
【单选题】Your computer is part of a workgroup. You share files with other users on the network. You configure exceptions in Microsoft Windows Firewall to allow file sharing. Users report that they are unable t...
A.
A
B.
B
C.
C
D.
D
【单选题】—How do you like your new neighbour? —She is _________, but her appearance is a bit_________.
A.
interesting; disappointed
B.
interested; disappointed
C.
interesting; disappointing
D.
interested; disappointing
【单选题】You have a computer that runs Windows 7. You need to record when an incoming connection is allowedthrough Windows firewall. What should you do?（）
A.
In Local Group Policy， modify the audit policy.
B.
In Local Group Policy， modify the system audit policy.
C.
From the Windows Firewall with Advanced Security properties， set the logging settings to Log successfulconnections.
D.
From the Windows Firewall with Advanced Security properties， set the Data Protection （Quick Mode）IPSec settings to Advanced.
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