对()等基体,若采用外墙饰面砖,必须有可靠的粘结质量保证措施.
A.加气混凝土
B.轻质墙板
C.混凝土
D.轻质砌块
E.粘土砖
参考答案:A, B, D
综合填空(共10空,计10分)
先通读下面的短文,掌握其大意,然后根据短文内容和所给首字母,在空格内填入一个适当的词,使短文意思完整。所填单词在题后横线上必须完整写出。
In most countries of the world, there is one medicine called aspirin. N_________小题1: everyone takes it. People take it when they have an ache or a pain, and s ________小题2:when they have a fever(发烧) . Doctors b_________小题3:it can also help people who have heart disease and some other diseases, too. Some people, however, cannot take aspirin. It must never be given to c_______小题4:under 12 years old.
Before aspirin was i_________小题5: , some people made a drink with the bark( 树皮) of the white willow(柳树) . This drink made their pains and fever go away, but no one knew w_________小题6:it helped. Then, in the 1830s, scientists in England s_________小题7: all the things that were in the bark of the white willow. They found out what thing in the plant s_________小题8: pain. Soon people were making medicine with this pain-stopping thing and selling it. Later scientists found out how to make aspirin w_________小题9:using any plants at all. Aspirin was first s_________小题10:in 1899 by the Bayer Company of Germany.
A.副线圈中电压表的读数为55V
B.副线圈中输出交流电的周期为0.01s
C.原线圈中电流表的读数为0.5A
D.原线圈中的输入功率为110W