【单选题】传统干扰电疗法时起治疗作用的电流是()
A.
4000Hz与4000±100Hz的两组中频电流
C.
4000Hz与4000±100Hz的两组中频电流交叉处所形成的0~100Hz低频调制的中频电流
D.
被波宽为6s的三角波所调制的0~100Hz低频调制中频电流
E.
三组5000Hz中频电流交叉处互相干扰调制而形成的干扰电流
【单选题】What does 'the future of the once iconic product though won't define the future of the business' probably mean?
A.
Good product means good business.
B.
Only one hot product cannot decide the future of entire company’s business.
C.
High quality is the future of a company.
D.
Innovation can ensure a good business.
【判断题】细胞核遗传与细胞质遗传因有共同的遗传物质基础,因而其遗传动态是符合孟德尔遗传规律的。
【单选题】What does the speaker recommend?
A.
Helping with the inventory
B.
Ordering a different product
C.
Waiting longer for the items
【简答题】A.4-Butyl-1-(4-hydroxyphenyl)-2-phenyl-3,5-pyrazolidinedione B.2-[(2,3-Dimethylphenyl)amino]benzoic acid C.1-(4-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic acid D.4-Hydroxy-2-methyl-N-2-pyrid...
【单选题】What percentage does rubber industry account for in the Gross National Product in Malaysia?
【单选题】What suggestion does the author give in the passage?
A.
It's not good to buy the product which is sold in a glass or dish.
B.
The quality of a container has nothing to do with the quality of the product.
C.
The best choice for a buyer is to buy a product in a plain package.
D.
A buyer should buy what he needs most rather than a well-designed package.