以上Java语句的输出结果是（）。 A: hello B: ahello C: a1hello D: 98hello

5Completetheconversations.1AHello?BHello.►IsthatMarisa?AYes,(1)____.BOh,hello.(2)____Dagmar.AOh,hello,Dagmar.BIsMikki(3)____,____?AI’msorry,he’soutat(4)________.CanI takeamessage?BYes,please.TellhimI’ll(5)____him____ afterlunch.2AHello?BOh,canI(6)____Tibor,please?AYes,(7)____ ____moment.I’ll____himforyou.3AHello?BOh,hello.(9)________Joanna?AYes,(10)____.BHello,Joanna,(11)____’sRudy.AHi,Rudy.Howareyou?

Hello! Can I get a seat on the 8 pm flight Detroit?（） A: AHello! International Airline. B: BYou‘d better look up the schedule first. C: CI‘m sorry, but it‘s completely booked. D: DI‘m afraid you have to change.

OSPF协议报文说法正确的是（）。 A: AHello报文用于发现及维持邻居关系，选举DR，BDR B: BDD报文用于描述本地LSDB的情况 C: CLSU报文向对端请求本端没有或对端更新的LSA D: DOSPF报文一般不转发，TTL值为1

下列日常生活用语中，表示电话对话的句子是（） A: AHello, this is Li. May I speak to Chen, please? B: BHold on, please. C: CWould you hold the line, please? D: DWho's calling, please? E: EI'm sorry. I think you have the wrong number. F: FI'm sorry, but Chen is not available to come to the phone right now. May I take a message?

【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是 。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2

求定积分[img=179x43]17da65388c0b1ca.png[/img]； （ ） A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2

2 + 2 * (2 * 2 - 2) % 2 / 3

函数z=xsiny在点(1,π/4)处的两个偏导数分别为 A: √2/2,√2/2 B: √2/2,-√2/2 C: -√2/2,-√2/2 D: -√2/2,√2/2

2×2×2×2×2