[听力原文] ??在房屋装修结束以后应该让房屋空一段时间,然后才能住进去。为什么不

题型:单项选择题

问题:

[听力原文] ??在房屋装修结束以后应该让房屋空一段时间,然后才能住进去。为什么不能装修好了马上就住进去呢?因为刚刚装修过的房间里含有很多有毒的气体,这些气体对人体有害,会让人呼吸网难、头晕,严重的还会导致失明、死亡,所以我们要经常开窗,让新鲜的空气进到刚刚装修过的房子,把房间内有毒的空气排放出去。这些有毒的气体主要来源于室内的装饰材料,如地板、油漆、涂料及家具。所以,为了让装饰材料中的有毒气体充分地释放出来,我们既要保持室内的通风,也要使用一些吸收毒气的物质。 为什么刚装修过的房子不适合马上住进去?()

A.有臭味 

B.没有新鲜空气 

C.有有毒气体 

D.屋子很脏

考点:汉语水平考试(HSK)六级汉语水平考试(HSK)六级
题型:单项选择题

B Customs of Bulgaria: Marriage and Family保加利亚习俗:婚姻与家庭
The average age for women to marry is between 18 and 25.25 tend to (1) when somewhat older. A church wedding often (2) the legal civil ceremony, and a large reception, which often involves (3) music and dancing, is held in the evening. Wedding traditions include (4) money on the bride’s dress to represent future prosperity, the groom (5) the bride at her home, and the couple pulling on opposite (6) of a loaf of bread—whoever gets the largest piece will be (7) boss of the family. Honeymoons are a new tradition.
The principle (8) mutual support is valued in the Bulgarian family. The elderly are (9) cared for by their adult children. Unmarried adults live with their (10) and many newly married couples live with one set of parents (11) they are able to get housing of their own. Most families (12) urban areas live in apartments, which are in short
supply, while (13) in rural areas usually have their own houses. Many village houses (14) owned by families who live in urban areas, who use them_ (15) summer and weekend retreats, or for retired parents.
Most families in (16) areas do not have more than two children, while families in (17) areas tend to be larger. Grandparents play an important role in (18) care, particularly in urban areas, where most women work outside the (19) . Men of the younger generation have begun to help with household (20) , once considered only women’s responsibility.

题型:单项选择题

在平面直角坐标系中,已知点A(0,3),点B(3,4),你能在x轴上找一点P,使PA+PB最小?请你求出点P的坐标。

题型:单项选择题

以下那个条件不是先进性复合材料的优点()。

A.冲击韧性较高

B.耐高温

C.防锈铝合金强度不高,焊接性能不好

D.化学性能稳定

题型:单项选择题

下列不是国家基本药物目录药品入列的条件有()

A.国家基本药物包括化学药品、生物制品、中成药

B.《中华人民共和国药典》收载的品种

C.可以是卫生部、国家食品药品监督管理局颁布药品标准的品种

D.国家基本医疗保险药品目录中的品种

E.除急救、抢救用药外,独家生产品种纳入国家基本药物目录应当经过单独论证

题型:单项选择题

对当事人朱某的同一个违法行为,某工商局可以给予两次以上罚款的行政处罚。

更多题库