[单项选择]A modem is set up for a remote TTY connection that will become the system console.  How should one verify that the console is enabled as the system console after the next reboot？（）
A. lscons -b
B. lscons -d
C. lscons -s
D. swcons /dev/tty0

[单项选择]Fo目前仅用于
A. 热压灭菌法
B. 干热空气灭菌法
C. 火焰灭菌法
D. 射线灭菌法
E. 滤过灭菌法

[单项选择]The physician orders a tricyclic antidepressant for a client who has suffered an acute myocardial infarction (MI) within the past 6 months. The nurse should take which of the following actions
A. Administer the medication as ordered.
B. Discontinue the medication.
C. Question the order with the physician.
D. Inform the client that he should discuss the MI with the physician.

[单项选择]Which statement contains the correct parameters for a route-based IPsec VPN?（）
A. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200; }policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { interface ge-0/0/1.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }
B. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200; } policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { interface st0.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }
C. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200;} policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { bind-interface ge-0/0/1.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }
D. [edit security ipsec] user@host# show proposal ike1-proposal { protocol esp; authentication-algorithm hmac-md5-96; encryption-algorithm 3des-cbc; lifetime-seconds 3200; }policy ipsec1-policy { perfect-forward-secrecy { keys group2; } proposals ike1-proposal; } vpn VpnTunnel { bind-interface st0.0; ike { gateway ike1-gateway; ipsec-policy ipsec1-policy; } establish-tunnels immediately; }

[单项选择]如果干扰信号频率关系符合fR=fo±2f中（fo为本振，f中为中频），则是属于哪种干扰（）。
A. 同频干扰
B. 互调干扰
C. 镜像干扰
D. 阻塞干扰

[单项选择]设混频器的本振频率为f_o，输入信号频率为f_s，输出信号频率为f_i，满足f_o=f_s+f_i。若有干扰信号f_n=f_o+f_i，则该干扰称为（）
A. 交调干扰
B. 互调干扰
C. 镜像干扰
D. 中频干扰

[单项选择]

The Internet raises major issues and challenges for education, not just in China but ail over the world. Yet it simply cannot be ignored in terms of the opportunities and resources that it can offer. We can divide the main issues facing education systems into three groups--access, quality and responsibility. Let us consider the Internet in relation to each of them. First, access. Through the Internet, practically the whole world can be brought into your classroom. Using e-mail makes it possible to have a class whose members are spread all over the world and who may never meet either the teacher or each other face to face. It can put students in different countries in easy contact. The information resources available are almost limitless. With the Internet, students and teachers can access the wisdom, experience, skills, and even guidance of others in a way that was only possible for a very privileged few. Next, quality. The Internet does pose serious problems of quality for educa
A. The Internet provides us with perfect educational information.
B. The Internet provides us with limitless resources.
C. We can obtain the latest information from foreign countries through the Internet.
D. The information on the Internet is no longer available only for a few people.

[单项选择]The growing popularity of microchips, currently found in applications ranging from cellular phones to cars, ______this new technology's increasing affordability.
A. (A) illustrates
B. (B) belies
C. (C) addresses
D. (D) contains
E. (E) incites

[单项选择]Which of the following protocols is responsible for the resolution of IP addresses to MAC addresses?（）
A. DHCP
B. ARP
C. DNS
D. RARP

[单项选择]If the salesmen are not given tangible benefits for a high volume of sales, they will loose their motivation.
A. substantial
B. psychological
C. spiritual
D. profitable

[单项选择]The American got angry after being kept waiting for nearly an hour for the appointed meeting because ______.
A. he felt disappointed
B. he felt disrespected
C. he felt embarrassed
D. he felt frustrated.

[单项选择]In discussing the marketing concept, the author focuses on _____.
A. its main characteristic
B. its social impact
C. its possible consequence
D. its theoretical basis

[填空题]There are some important safety rules that must follow in case of an emergency or a sudden illness（）.

[单项选择]The scientific group is carrying out a research focused on a drug which is so _______ as to be able to change brain chemistry.
A. powerful
B. influential
C. monstrous
D. vigorous

[单项选择]The major mason why Americans enjoy an abundant food supply is that the amble land at their disposal for food production is ______.
A. three times more the world average
B. three times as much the world average
C. three times the world average
D. the world average is three times

[单项选择]The heavily populated area was a breeding place for______ diseases.
A. powerful
B. infectious
C. influential
D. suspicious

[单项选择]Every year, thousands of college students apply for the CCTV Cup English Speech______.
A. Argument
B. Quarrel
C. Debate
D. Contest