is under discussion
is about to be set up
has been put into effect
has been perfected
问答题“To be a Negro in America is to hope against hope,” wrote Martin Luther King in the last year of his life. The advance the black man in the United States, from the position of slave to that of proud and equal citizen, is slow. The black man’s hopes have often ended in despair.“Of the good things in life he has about one-half those of whites; of the bad he has twice those of whites,” wrote Dr. King. Half of all black people lived in poor houses. They have received about half as much pay as whites. They had twice as many of their people out of work and twice as many babies dead for lack of proper care. Allowing for their numbers, twice as many black men as white fought in the war in Vietnam, and twice as many died in that war. Most black people still did work that was unpleasant and poorly paid. That was the only work they could get.
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单选题In Ethernet networks, duplex mismatches will lower performance. Which error statistics can be seen if a duplex mismatch is present?（）A collisions on the full-duplex side; runts on the half-duplex sideB collisions on the full-duplex side; collisions on the half-duplex sideC collisions on the half-duplex side; framing errors on the full-duplex sideD collisions on the half-duplex side; giants on the full-duplex side
单选题As an experienced technician, you are required to configure and verify SRM with SSO redundancy. In such a situation, you have to issue several commands in proper orders. Which of the following is correct?（）A show redundancy states, redundancy, mode ssoB show redundancy states, mode sso, redundancyC redundancy, mode sso, show redundancy statesD mode sso, redundancy, show redundancy states
单选题–How long does the bus?-（）About half an hour.A spendB takeC use
单选题What is the passage mainly about?A The development of European art.B Modern art development in the United States.C Modern artists in the United States.D Modernism and Cubism.
单选题The present situation in poor areas ______ much higher spending on education and training·A answers forB provides forC calls forD plans for
单选题The present situation in about half of the states is that the graduated licensing system _____.A is under discussionB is about to be set upC has been put into effectD has been perfected
