【判断题】第二次鸦片战争中英法联军烧毁了颐和园。()
【单选题】What are some of the main features of advertisements mentioned in this passage?
A.
Toothpaste, shampoo and washing powder.
B.
Different brands of the same product.
C.
Performance, price, value for money, quality & reliability.
D.
Freedom of choice for the producer.
【简答题】如图,四边形ABCD为正方形,PD⊥平面ABCD,PD∥QA,QA=AB= PD。 (1)证明:平面PQC⊥平面DCQ; (2)求二面角Q-BP-C的余弦值。
【单选题】《铁路技术管理规程》规定,客运专线铁路线站内正线300km/h
【单选题】What will the boy's mother add to her shopping list?
A.
shampoo and toothpaste.
B.
Shampoo, toothpaste and soap.
C.
Shampoo, toothpast and comb
【单选题】《铁路技术管理规程》规定,客运专线铁路线站内正线200 km/h
【单选题】《铁路技术管理规程》规定,客运专线铁路线区间正线200km/h
【单选题】《铁路技术管理规程》规定,客运专线铁路线区间正线300km/h