缺词填空。 Many teenagers have problems that

题型:填空题

问题:

缺词填空。

     Many teenagers have problems that worry them. Some do not learn their school subjects well. Some

are good at learning and do well in exams, but they are doing so poorly in sports that their classmates call

them "bookworms". So many teenagers s     1    from stress. The good news is that there are some simple

ways to d    2    with stress.

     Firstly, eating a h    3    diet, getting enough sleep and doing exercise are very important. How can we be

happy if we are not fit?

     For school work, planning ahead can help. Making a list of the things they need to do and p    4    when

to do them can help students organize their time. If you are weak in a subject, studying hard and asking a

teacher for a     5    can help.

     Students should pay n    6    attention to people who laugh at them. I    7   , they should think about the

things they are good.

     Then students should also make e    9    time for their hobbies. Playing sport, reading and watching films

help them r 9 .

     F    10   , it is suitable for teenagers to share their problems with their friends and parents.

1.s               2.d               3.h               4.p               5.a              

6.n               7.I               8.e               9.r                10.F              

考点:社会现象类阅读
题型:填空题

溴化异丙托品()

A.抑制磷酸二酯酶

B.拮抗组胺、抑制炎症细胞的趋化和释放介质

C.抗炎、抑制细胞因子生成、减轻气道水肿

D.M-胆碱能受体拮抗剂

E.兴奋肾上腺素能β受体选择下列治疗平喘药物的作用机制

题型:填空题

下列关于固体废物致人疾病途径的说法,正确的有()。

A.固体废物焚烧产生的二次污染物可使人致病

B.固体废物的堆肥产品通过农作物可使人致病

C.污水处理厂的污泥作为肥料通过农作物可使人致病

D.处置、堆存、填埋固体废物可以通过地下水的间接饮用使人致病

题型:填空题

如图所示,有一可绕竖直中心轴转动的水平圆盘,上面放置劲度系数为k的弹簧,弹簧的一端固定于轴O上,另一端连接质量为m的小物块A(可视为质点),物块与圆盘间的动摩擦因数为μ,开始时弹簧未发生形变,长度为L0,若最大静摩擦力与滑动摩擦力大小相等,重力加速度为g,物块A始终与圆盘一起转动.则:

(1)圆盘的角速度多大时,物块A将开始滑动?

(2)当圆盘角速度缓慢地增加到4

μg
L0
时,弹簧的伸长量是多少?(弹簧伸长在弹性限度内且物块未脱离圆盘)

题型:填空题

保护自然不能只依靠人们的自觉,还应依法保护环境。[ ]

题型:填空题

得神的表现是()

A.面色荣润,目光精彩

B.淡漠寡言,闷闷不乐

C.精神委靡,两目晦暗

D.精神不振,健忘嗜睡

E.烦躁不安,神昏谵语

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