17．He has to have the computer programmed from time to time in that the system tends to ___．（　�。�
A．pick outB．break downC．get throughD．run out

分析 他不得不經(jīng)常地設(shè)定程序，因?yàn)橄到y(tǒng)總是崩潰．

解答 答案是B．本題考查動詞短語辨析．pick out挑選出；break down崩潰；出故障；get theough通過，完成；run out（被）用完；根據(jù)句意判斷，因?yàn)橄到y(tǒng)經(jīng)常"崩潰"，所以要經(jīng)常設(shè)定程序，故答案選擇B．

點(diǎn)評 關(guān)于短語動詞的解題，首先要積累識記盡可能多的短語動詞及其含義，然后結(jié)合語境進(jìn)行合理的推斷．

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