一个氧原子的直径为0.000000000148m,用科学记数法表示为( )m。

题型:填空题

问题:

一个氧原子的直径为0.000000000148m,用科学记数法表示为(    )m。

考点:科学记数法和有效数字
题型:填空题

国际贷款涉及的利息预扣税()。

A.由借款人所在国直接向贷款人预扣

B.由借款人所在国直接向借款人预扣

C.由贷款人所在国直接向贷款人预扣

D.由贷款人所在国直接向借款人预扣

题型:填空题

下面是有关PC机性能的叙述,其中错误的是( )。

A.系统总线的传输速率对计算机的输入、输出速度没有直接的影响

B.高速缓存(Cache)的功能是用来减少CPU等待的时间,提高系统速度

C.主存的存取周期是指从存储器中连续存取两个字所需要的最小时间间隔

D.系统的可靠性常用平均无故障时间(MTBF)和平均故障修复时间(MTTR)表示

题型:填空题

女,33岁,昨晚吃街边烧烤后于今晨3时突然畏寒、高热、呕吐、腹痛、腹泻,腹泻共4次,开始为稀水样便,继之便中带有粘液和脓血。在未做实验室检查的情况下,该患者可能的诊断是()。

A.急性轻型细菌性痢疾

B.急性普通型细菌性痢疾

C.中毒型细菌性痢疾

D.慢性细菌性痢疾急性发作

E.慢性迁延型细菌性痢疾急性发作

题型:填空题

Once there was a little girl who came to live in an orphanage (孤儿院). As Christmas time was drawing near, all of the other children 11 telling the little girl about the beautiful Christmas tree that would appear in the hall downstairs on Christmas morning. After their usual 12 , each child would be given their only Christmas gift, a small orange.

The headmaster of the orphanage was very 13 with the kids. So on Christmas Eve, when he 14 the little girl slipping down the stairs to peek(偷看)at the much-heard-of Christmas tree, he 15 that the little girl would not receive her Christmas orange because she had been so curious as to disobey the rules. The little girl ran back to her room 16 , crying at her terrible fate. The next morning as the other children were going down for breakfast, the little girl stayed in her bed. She couldn’t 17 the thought of seeing the others receive their gift while there would be 18 for her. Later, as the children came back upstairs, the little girl was surprised to be handed a napkin (餐巾). As she carefully opened it, there, to her 19 , was an orange all peeled and sectioned (分瓣). “ How could this be? ” she asked. Then, she realized how each child had taken one section from their orange for her so that she, too , would have a Christmas orange. What an example of the true meaning of Christmas those orphan children showed that morning! How I 20 the world would show the same kind of concern for others, not only at Christmas, but throughout the year!

请在14处填上正确答案()

A.caught

B.took

C.held

D.kept

题型:填空题

我国社会主义现代化建设包括()。

A、政治建设、经济建设、军事建设

B、经济建设、政治建设、文化建设

C、经济建设、政治建设、思想建设

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