【简答题】取50.0 mL水样置于质量为65.4854 g的蒸发皿中,蒸干后称量为65.5415 g,然后经过600 °C高温灼烧后称量为65.5067 g;另取同一水样50.0 mL经滤膜过滤后,将其滤液置于质量为.2568 g的蒸发皿中,蒸干后称量.2712 g,求水中总固体(TS)、溶解性总固体(TDS)、悬浮固体(SS)、挥发性固体(VS)、固定性固体(FS)的含量各为多少?
【单选题】Which sentence begins with a special opening?
A.
Humming softly, the woman browsed through the rack of dresses.
B.
They buy sweaters made only from synthetic fibers.
C.
An older woman can type almost 100 words in a minute.
D.
Drops of water fell from the ceiling during the exam.
【判断题】高原地区由于空气稀薄,气压较低,所以水的沸点高于100摄氏度。
【判断题】高原地区由于空气稀薄,气压较低,所以水的沸点高于100摄氏度。
【简答题】Paraphrase Please read unit 3 Active reading (1) carefully and try to i dentify the paragraph from which the information is derived (only type in the number, like 1, 2, 3... in the blanks). (5 sentenc...
【单选题】Use the following table for exchange rate data. Your firm is a U.K.-based exporter of British bicycles. You have sold an order to an Italian firm for €1.000.000 worth of bicycles. Payment from the Ita...
A.
Borrow €970,873.79 in one year you owe €1m, which will be financed with the receivable. Convert €970,873.79 to dollars at spot, receive $1.165.048,54. Convert dollars to pounds at spot, receive £728.155.34.
B.
Sell €1m forward using 16 contracts at $1.20 per €1. Buy £750,000 forward using 12 contracts at $1.60 per £1
C.
Sell €1m forward using 16 contracts at the forward rate of $1.29 per €1.
D.
Sell €1m forward using 16 contracts at the forward rate of $1.29 per €1. Buy £750,000 forward using 12 contracts at the forward rate of $1.72 per £1
【简答题】It's easy to order books from the Interner. There are several companies that ship books to customers in China. Just decide which company you would like to use and type that company's name into the sea...