15. The first glasses of Coca-Cola were drunk in 1886. The drink was first ________ by a US chemist called John Pemberton.
A. formed B. made C. found D. done
16. These two chemical ________ with each other at a certain temperature to produce a substance which could cause an explosion.
A. interact B. attract C. react D. expel
17. ________ they can get people in the organization to do what must be done, they will not succeed.
A. Since B. Unless C. If D. Whether
18. Once you have started a job, you should do it ________.
A. in practice B. in theory C. in earnest D. in a hurry
19. Although the new library service has been very successful, its future is ________ certain.
A. at any rate B. by no means C. by all means D. at any cost
20. To my surprise, at yesterday’s meeting, he again ________ the plan that had been disapproved a week before.
A. brought about B. brought out C. brought up D. brought down
Section Ⅱ Cloze (10 points)
Wholesale prices in July rose more sharply than expected and at a faster rate than consumer prices, 21 that businesses were still protecting consumers 22 the full brunt (冲击) of higher energy costs.
The Producer Price Index, 23 measures what producers receive for goods and services, 24 I percent in July, the Labor Department reported yesterday, double 25 economists had been expecting and a sharp turnaround from flat prices in June. Excluding 26 and energy, the core index of producer prices rose 0.4 percent, 27 than the 0.1 percent that economists had 28 . Much of that increase was result of an 29 increase in car and truck prices.
On Tuesday, the Labor Department said the 30 that consumers paid for goods and services in July were 31 0.5 percent over all, and up 0.1 percent, excluding food and energy.
32 the overall rise in both consumer and producer prices 33 caused by energy costs, which increased 4.4 percent in the month. (Wholesale food prices 34 0.3 percent in July.) 35 July 2004, wholesale prices were up 4.6 percent; the core rate 36 2.8 percent, its fastest pace since 1995.
Typically, increases in the Producer Price Index indicate similar changes in the consumer index 37 businesses recoup (补偿) higher costs from customers. 38 for much of this expansion, which started 39 the end of 2001, that has not been the 40 . In fact, many businesses like automakers have been aggressively discounting their products.
21. A. indicate B. to indicate C. indicating D. indicated
22. A. of B. to C. by D. from
