_________ I like economies, I like sociology much better.
As much as
B. So much
C. How much
D. Much as
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在口腔临床工作中，医务人员被感染的主要途径包括
A. 经污染器械伤害感染
B. 经术者手部伤口感染
C. 空气飞溅感染
D. 以上都包括在内
E. 都不包括在内
Dried leaves continue to hang on the branches of some deciduous trees _________ the new leaves appear.
A. until
B. by
C. that
D. from
According to the passage, pet sitting services _________.
A. are especially popular in big cities where there are more pets and busier pets owners.
B. make it possible for the pets to enjoy a better family life.
C. free the pet owners completely.
D. assure the pet owners that their pets will be taken good care of at their own homes.
Usually, when pet owners are away from home, they would NOT _________.
A. turn to their friends and neighbors to watch their pets.
B. drop the pets off at the kennels.
C. send the pets to the local zoos.
D. drop the pets off at the veterinary clinics.
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