热处理裂纹产生的应力包括热应力和组织应力。

题型:判断题

问题:

热处理裂纹产生的应力包括热应力和组织应力。

考点:物理金相试验工高级物理金相试验工高级物理金相试验工题库
题型:判断题
Most adults(成年人)once studied at school, had classes and did their homework every day. The same    is going on at school now.      it seems that doing weekend homework is      problem for the modern students.
All the students should agree that weekend homework should be abolished(取消).It's    for them studying at school five days a week. They have a lot of interests. With homework to do on Saturday and Sunday, when can they find      to help around the house, go and see a football or basketball game or a good film, join in family recreations(娱乐),or just have    at home? Because of these other activities, the homework can't be finished until     .So their weekend homework is usually done in such a hurry that on Monday teachers are     and often threaten(威胁)to fail(使考试不及格)whole class of students because they know nothing about the    . If there is no weekend homework for the students to do, they will be happy to go to school on Monday     having a good rest and to learn what the teachers teach.
小题1:
A.thingB.school C.classD.homework
小题2:
A.AlsoB.ButC.StillD.Though
小题3:
A.noB.another C.oneD.other
小题4:
A.not enoughB.enoughC.no goodD.no use
小题5:
A.friendsB.timeC.placesD.money
小题6:
A.a restB.an exam C.a lessonD.a picnic
小题7:
A.Monday afternoonB.Saturday afternoon
C.Friday nightD.Sunday night
小题8:
A.pleasedB.sorryC.unhappyD.not worried
小题9:
A.lessonB.gamesC.interestsD.activities
小题10:
A.untilB.whenC.beforeD.after
题型:判断题

以关键字比较为基础的排序算法在最坏情况下的计算时间下界为O(nlogn)。下面的排序算法中,在最坏的情况下,计算时间可以达到O(nlogn)的是 (53) ;该算法采用的设计方法是 (54)

(54)处填()。

A.分治法

B.贪心法

C.动态规划法

D.回溯

题型:判断题

患者,男,30岁,为去除烟斑,要求洁治。刷牙出血不明显,临床检查:大量菌斑、牙石,牙龈红肿不明显,探诊后点状出血,全口牙附着丧失2~3mm。

配合临床检查,简便、易行的辅助检查是()

A.X线检查

B.病变区的细菌涂片检查

C.血象检查

D.细菌培养

E.龈沟液检查

题型:判断题

新疆维吾尔自治区是我国最大的省级行政区,在五个自治区中,它是( )成立的。

A.第一个
B.第二个
C.第三个
D.第五个

题型:判断题

下列关于人工砂阐述错误的是:()

A.人工砂配制混凝土时,当石粉含量较大时,宜配制低流动度混凝土,在配合比设计中,宜采用低砂率。细度模数高的宜采用较高砂率

B.人工砂混凝土要注意早期养护。养护时间应比天然砂配制混凝土的时间延长2-3d

C.当配制C55-C30混凝土时,在MB<1.4人工砂或混合砂中石粉含量≤10.0

D.人工砂配制混凝土宜采用机械搅拌,搅拌时间应比天然砂配制混凝土的时间延长1min左右

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