下列句序对调后意思不变的一项是[ ] A. (1)人不犯我,我不犯人。(2)我不犯

题型:选择题

问题:

下列句序对调后意思不变的一项是[ ]

       A. (1)人不犯我,我不犯人。(2)我不犯人,人不犯我。

       B. (1)我为人人,人人为我。(2)人人为我,我为人人。

       C. (1)屡败屡战,屡战屡败。(2)屡战屡败,屡败屡战。

       D. (1)艳若桃李,冷若冰霜。(2)冷若冰霜,艳若桃李。

考点:理解句子
题型:选择题

The students of Class Three are going hiking for their fieldtrip. Hiking is good for people’s health. Many hikers like to hike in the countryside, forest (森林) and mountains. Just walking for fun is the first kind of hiking. Many people like to hike in the parks or just on the sidewalks.

A hike can take a few hours or weeks. For most hiking, people just need clothes and shoes that are good for the weather. At the beginning hikers should start with walks that they can do in one day. As you get stronger, you can go on overnight hikes. Later you can go longer than that. You can make your hiking last (持续) a few days or weeks.

For safety (安全), hikers should hike with someone. You should have one or two friends with you. It is also a good idea to carry a map.

Backpacking is another kind of hiking. People carry food, clothes and other things on their backs in packs. Backpackers can stay many days in the places where there is no food to buy. They carry what they need on their backs.

Now put on your hiking shoes and take a hike.

小题1:How many kinds of hiking are there in the passage?

A.Two.

B.Three.

C.Four.

D.One.小题2:______ is a good idea for hiking.

A.Carrying food

B.Carrying a pack.

C.Carrying a map.

D.Walking alone.小题3:To walk for fun, many people like to walk ______.

A.with backpacks on their backs

B.in a place where there is no food to buy

C.in the parks or on the sidewalks

D.in the parks or in the zoo小题4:The hikers often hike with somebody to ______.

A.buy some food

B.be safe

C.talk with

D.exercise for fun小题5:Many hikers like hiking in the ______.

A.mountains

B.forest

C.countryside

D.all of the above

题型:选择题

偏态分布资料宜用()描述其分布的离散趋势。

A.全距(R)

B.标准差(s)

C.变异系数(CV)

D.四分位数间距(QU~QL

E.方差

题型:选择题

制冷式压缩机运行中润滑油的油温,开启式压缩机不应大于()℃。

A、60

B、70

C、80

D、90

题型:选择题

对于妊娠滋养细胞疾病,不包括下列哪种疾病 ()

A.葡萄胎

B.侵蚀性葡萄胎

C.原发性卵巢绒癌

D.绒毛膜癌

E.胎盘部位滋养细胞肿瘤

题型:选择题

马氏体耐热具有明显得空气淬硬倾向,焊后是易得到()。

A、马氏体组织

B、珠光体组织

C、莱氏体组织

D、奥氏体组织

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