Direction: Complete the passage with words chosen below. A. quarter B. underestimating C. decisive D. launched E. conquest F. retreat G. reckon with H. dragged on I. taking its toll J. caught off guard Those military planners who fail to ____1____ the elements of nature in their military campaigns are more likely to taste the bitterness of a defeat. Two invasion campaigns of Russia respectively led by Napoleon and Hitler are the best examples. When Napoleon assembled his army in 1812, he predicted a quick and ___2_____ victory because his army was well-equipped. But he made a fatal mistake in ____3____ the severity of the Russian winter. Although Napoleon occupied the capital city of Russia, he found he was unable to feed, clothes and ___4____ his army in Moscow during the severe Russian winter. Napoleon decided to____5____, but was attacked by the Russians and his army was greatly weakened. Similarly, when Hitler ____6____ his attack against the Soviet Union in 1941, he was confident of his unequalled military might. He even began his invasion without a declaration of war. To him, _____7______ seemed inevitable. However, though _____8______ by the invasion, the Russian people fought bravely and refused to surrender. The campaign ____9_____ and many German soldiers died from the coldness as winter came. In both the two wars, Russian’s winter turned out to be a devastating enemy, _____10_____ on the invading armies.