signal/'s?gnl/()
A.標(biāo)志;表明,用信號(hào)通知;表示
B.信號(hào),暗號(hào);暗示
C.種類,分類
D.易受影響的
A.標(biāo)志;表明,用信號(hào)通知;表示
B.信號(hào),暗號(hào);暗示
C.種類,分類
D.易受影響的
第2題
Repeated words signal the direction of a writer's thought.
A.Y
B.N
C.NG
第3題
A.data B.a(chǎn) control C.a(chǎn) signal D.a(chǎn)n address
第5題
A.To express agreement with the caller's opinion.
B.To signal that she wants to end the call.
C.To bring the caller back to his main point.
D.To stop the caller from talking so much.
第6題
A.To calm themselves down.
B.To enhance concentration.
C.To show their impatience.
D.To signal lack of interest.
第7題
A.Receiving alert signals sent by EPIRB
B.Measuring doppler shift for EPIRB signal
C.Retransmitting alert signals to any Local User Terminal in the satellite’s view
D.Relaying distress alert to coast station
第8題
第9題
A candle is used to burn at auction sales______.
A.because they took place at night
B.a(chǎn)s a signal for the crowd to gather
C.to keep the auctioneer warm
D.to limit the time when offers could be made
第10題
It can be inferred from the passage that ______.
A.America will make concessions
B.America will hold out for a better WTO
C.Clinton has the right to signal U.S. approval for China's entry
D.Democratic party approve China's entry into the WTO
第11題
請(qǐng)用信號(hào)量實(shí)現(xiàn)4*100接力比賽的同步過程,設(shè)置信號(hào)量及其初始值,使用wait、signal完成進(jìn)程同步。 信號(hào)量:S1-Value= 0 ,S2-Value= 0 ,S3-Value= 0 。 P1: 起跑-->跑步100米--> signal(S1) P2: wait(填空1) 起跑-->跑步100米--> signal(填空2) P2: wait(S2) 起跑-->跑步100米--> signal(S3) P2: wait(S3) 起跑-->跑步100米-->到達(dá)終點(diǎn) 請(qǐng)注意 ,這里有多個(gè)填空,請(qǐng)按照順序填寫答案,中間用/隔開,比如:S/M/mutex