A．ccording to the passage, the most ambitious effort to control pollution ______.

［A］could help improve the local economy

［B］will be financially supported by the truckers

［C］may depend on independent contractors

［D］will upgrade all the trucks to reduce pollution

[单选题]A．ccording to the passage, most children tend to believe that they go to school because they_____.A． need to acquire knowledgeB． have to obey their parentsC． need to find companionsD． have to observe the law

[单选题]A．ccording to the passage，most farmers' debts had to be paid______.A． when the autumn harvest had just been completedB． because wheat prices were highC． as soon as the Winnipeg Grain Exchange demanded paymentD． when crop failure caused depression

[单选题]What did Fenn enjoy most from treasure hunters according to the passage?A.T

[单选题]A．ccording to this passage,A．brokers usually perform. the same kinds of services to their customers.B．brokers have little contact with each other.C．open competition tends to result in a common price for similar transactions at any given moment.D．chan

[单选题]A．ccording to the passage, Katy __________________.A． likes travelling very much B. doesn’t want to live with a familyC． only teaches writing in English D. will go back to school after she leaves Nepal

[单选题]A．ccording to the passage, the suburbs ______.A． were deserted at nightB． became larger and largerC． had a high construction costD． had some declined business center

[单选题]A．ccording to the passage, the ancestors of the Potter family most probably _______.A． owned or drove a cartB． made things with metalsC． made kitchen tools or containsD． built houses and furniture

[单选题]A．ccording to the passage, the group with the highest AIDS rate is_________ .A． the white AmericansB． African-American menC． the American womenD． the black American women

[单选题]A．ccording to this passage, which of the following is true?A． The Negroes came to North America in order to work for the earliest immigrants.B． The Negroes also belonged to the earliest immigrants to the North America.C． The Negroes were brought to A

[单选题]A．ccording to this passage, if the cylinder non-return valve were not leakyA．an explosion would not be causedB．there still would be a danger of explosionC．oil would not deposit in the air pipeD．pipe lines would not have to be drained