板型设定模型既要达到凸度目标值,又要达到平直度目标值,在两者出现矛盾时()优先。

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问题:

板型设定模型既要达到凸度目标值,又要达到平直度目标值,在两者出现矛盾时()优先。

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题型:填空题

I got a job teaching special education at a school in Coachella, California, a desert town about 170 miles from home. It was no (1) job. Street gangs (2) around the school after dark.

"Be careful, " Dad warned me during one of my frequent weekend (3) home. He was concerned about my living (4) , but I needed to be on my own.

One evening, I stayed after school to rearrange my classroom. (5) , I turned out the light and closed the door. Then I (6) toward the gate. It was (7) ! I looked around. Everyone had gone home.

After (8) all the exits, I found just enough (9) to squeeze under a gate in the back of the school. Then I walked toward my car, parked in a field behind the building.Suddenly I heard voices. I (10) around and saw at least eight boys following me. (11) my pace, I reached into my shoulder bag to get my key. I (12) all over the inside of my handbag. But the key wasn’t (13) ! Dear Lord, please help me, I prayed (14) . Suddenly, my fingers touched a loose key in my purse. I didn’t even know if it was for my car, but I took it out and (15) it. It worked!I opened the door, slid in and locked it—just (16) the teenagers surrounded the car. Trembling , I started the engine and (17) away. When I returned to my apartment, the phone was ringing. It was my Dad. I didn’t tell him about my experience; I didn’t want to (18) him. "Oh, I forgot to tell you!" He said, "I had a (n) (19) car key made and slipped it into your purse—just (20) you ever need it. \

11().

A.quickening 

B.slowing 

C.shortening 

D.timing

题型:填空题

以下各组数为边长的三角形中,能组成直角三角形的是(   )

A.1,2,3

B.2,3,4

C.4,5,6

D.5,12,13

题型:填空题

根据《中华人民共和国海关办理行政处罚案件程序规定》,除法律另有规定的外,违法行为在______年内未被发现的,不再给予行政处罚。

A.2

B.3

C.4

D.5

题型:填空题

直流锅炉与汽包炉在加减负荷和温度调节过程时,有什么区别?

题型:填空题

对上颌后堤区叙述正确的是()

A.位于前颤动线

B.位于后颤动线

C.位于连线的中份

D.位于前后颤动线之间

E.以上都不是

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