【单选题】________________of the students who took part in the military training(军训) is 450.
【简答题】They took a final look at Iron Mike, still intact in the darkness.
【单选题】Jenny worked hard before the final examination, and ____.She got an A. A.took off
【单选题】How would a man be punished if he took more than his share of salt in the 16m century?
B.
Be thrown into prison.
【简答题】已知宗地界址点的坐标,求该宗地的面积 A(300,200) B(191.932,263.515) C(85.816,199.997) D(193.885,139.858)
【单选题】数据库系统支持数据的逻辑独立性依靠的是( )。
【单选题】They took a final look at Iron Mike, still intact in the darkness.
A.
他们最后看了铁麦克一眼--它依旧安然无恙地耸立在黑暗中。
B.
他们最后看了看麦克的铁像--它仍然完好无缺地耸立在黑暗中。
C.
他们最后瞧了瞧铁匠麦克--他还是纹丝不动地站在黑夜中。
【简答题】某市对大气进行监测,发现该市首要污染物为可吸入颗粒物PM 2.5 (直径小于等于2.5 μm的悬浮颗粒物),其主要来源为燃煤、机动车尾气等.因此,对PM 2.5 、SO 2 、NO x 等进行研究具有重要意义. 请回答下列问题: (1)将PM 2.5 样本用蒸馏水处理制成待测试样. 若测得该试样所含水溶性无机离子的化学组分及其平均浓度如下表: 离子 K + Na + NH +4 SO 2-4 NO...
【单选题】数据库系统支持数据的逻辑独立性依靠的是( )。
【单选题】____ took me two weeks to prepare my final paper.