The wide varieties of peppers are the result of conventional, man-made, plant crossbreeding which has taken many years. </p></p>

(hybrid, deny, buzz, indication, stumble into, flexible, panic, faulty, leap,ironic) 1.It is more than a little 1 that some insurance companies can’t even ensure their own survival. 2.If he hadn’t 2 this project, he would not have been promoted. 3.The children 3 when they realized they were lost. 4.The 4 of our plan enabled us to deal with unexpected difficulties effectively. (flexible) 5.Persistent(持续的) headache can be a(n) 5 of a serious problem, so do not hesitate to contact your doctor. 6.The manager glowed with pleasure upon hearing that in spite of their 6 equipment the team had accomplished some very useful work. 7.Bob knows little about European art and he is a prudent(谨慎的)guy. I don’t think he is going to take a 7 in the dark. 8.There is no 8 that English is a most widespread language in the world. 9.Help！ A bee is 9 in my ear! 10.10 rice is produced by crossbreeding(杂交育种) different kinds of rice.