光年是天文学中的距离单位,指光在一年时间中行走的距离,1光年大约是9460000

题型:填空题

问题:

光年是天文学中的距离单位,指光在一年时间中行走的距离,1光年大约是9460 000 000 000km,用科学记数法可表示为______km(保留两位有效数字).

考点:科学记数法和有效数字
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单词拼写(共10题,每题1分,满分10分)

小题1:Tom told us that when he was young, all of his family would watch______(动画片)after supper.

小题2:Suddenly Alice ______(猛冲)into the room, grabbed her bag and ran out again.

小题3:______(好奇地) enough, he seems to have known what we well do next.

小题4:Peter has a sense of ______(幽默) and is able to make people laugh at any time.

小题5:Please clean up the house, which is in a ______(凌乱) after the party was over.

小题6:She is old enough to have the ______(自由) to do as she likes.

小题7:A collection of rare insects will show us some of his latest ______(发现).

小题8:I ______(尊重)his view, although I do not agree with them.

小题9:On summer evenings, his parents sit in the______(阴凉处) of the tree drinking tea and chatting.

小题10:Disney is a ______(主题) park.

题型:填空题

如何评价孟子和荀子的人性论?

题型:填空题

某只股票年末每股税后利润0.40元,市场利率为5%,则该只股票价格为( )。

A.8元
B.1.25元
C.2元
D.3.75元

题型:填空题

四冲程六缸发动机,各同名凸轮轴之间的相对位置夹角应当是()。

A、120°

B、90°

C、60°

题型:填空题

为了输精管结扎术后降低再通的发生率,首选残端处理技术为()。

A.两残端重叠

B.精索筋膜隔离

C.断端反折

D.双重结扎

E.电灼

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