[单选题]黏度大的流体一般应选择( ).A. 低流速B. 高流速C. 适宜流速D. 特定流速
[单选题]Some adults go to continuing education classes to _______.A) get a college education B) learn new skills C) get a certificate D) earn grades2. Attending continuing education classes _______.A) does not cost much money B) is expensiveC) requires a loan D) is free of charge3. What’s the main idea of Para.7?A) Adults can continue their learning.B) Most continuing education classes are in the evening.C) Adults have many opportunities to continue their learning.D) Classes are held for working people.4. Lots of people attend continuing education classes because ________.A) the classes will help them feel better about themselvesB) there are many courses they can choose fromC) they can also go to church at the same timeD) learning is something they are interested in doing5. We can learn from the passage that ________.A) college education is not importantB) adult education is very popularC) other kinds of learning are more important than school learningD) continuing education classes teach the same courses that are taught in colleges
[单选题]晶闸管导通时,其正向电压一般为 .( )A. 0.6VB. 0.8VC. 1.2VD. 0.6―1.2V
[填空题]将被试分为两组,一组施以实验处理称作实验组,另一组不给实验处理,称作控制组,最后测定对某种刺激的反应,然后比较两组反应上的差异,这称为( ).
[填空题]莫扎特写了( ) 部交响乐
[问答题]声母和辅音有何联系
[填空题]在建设工程领域,常见的反担保方式是( ).
[填空题]_______(尽管)their differences, they fell passionately in love with each other.
[填空题]设防烈度小于( )时,可不考虑结构物场地范围内发震断裂的影响
[填空题]所谓心理发展,是指个体从出生、成熟、衰老直至死亡的整体生命进程中所发生的一系列( )
[填空题]巴金的散文集( )被称为一部当代文学最高成就的散文作品,其最大的特点就是敢于 说真话
[填空题]解放东南沿海的( )是新中国第一次海陆空军联合军事行动.
[问答题]试析家庭在幼儿发展中的作用
[单选题]These teachers try to be objective when they the integrated ability of their students
[判断题]议标是目前世界上最普遍采用的成交方式.
[问答题]什么是刚性防水屋面?其基本构造层次是怎样的
[填空题]一个社区中的各种组织或子系统在本社区内部彼此之间的结构和功能关系,被称为( )
[填空题]位移法的基本未知量是( )的结点位移
[问答题]社会意识相对独立的最突出的表现
[计算题]已知:某企业每年需用Ａ零件2 000件,原由金工车间组织生产,年总成本为19 000元,其中,固定生产成本为7 000元.如果改从市场上采购,单价为8元,同时将剩余生产能力用于加工Ｂ零件,可节约外购成本2 000元.要求:为企业作出自制或外购Ａ零件的决策,并说明理由.
[填空题]There were 12 people killed in the accident, ____________(include) two babies.