检测抗血细胞抗体主要用于检测超敏反应的类型是A.Ⅰ型B.Ⅱ型C.Ⅲ型D.Ⅳ

A. IgG

B. IgM

C. IgA

D. IgE

E. IgD

Ⅰ. Rewrite the following sentences to make them concise and effective. 1. The plant is successful in terms of production. ____________________________________________________________________ 2. We wish to acknowledge receipt of your letter of July 5. ____________________________________________________________________ 3. It is inevitable that oil prices will rise. ____________________________________________________________________ 4. We require cameras that are of a new type. ____________________________________________________________________ 5. It should be noted that this is the best price we can offer in this season. ____________________________________________________________________ 6. We allow you 3 percent discount for cash payment. ____________________________________________________________________ 7. There is a need for more careful inspection of all welds. ____________________________________________________________________ 8. Our normal practice is that we usually insure shipments for the invoice value plus 10%. ____________________________________________________________________ 9. We are informed that similar goods of American origin have been sold here at a level about 30% lower than you. ____________________________________________________________________ 10. He will fly to Germany next week for the purpose of meeting Mr. Stwartz in person. ____________________________________________________________________ 11. There appears to be a tendency on the part of investment bankers to become more cautious. ____________________________________________________________________ 12. This product not only is welcome for its reasonable price, but also for its fine quality. ____________________________________________________________________