新疆乌鲁木齐市第二十三中学高2020届 4月月考 英语试卷（word无答案）

乌鲁木齐市第二十三中学高2020届 4月月考 英语试卷 命题人：英语备课组 审题人：张辉 I：完形填空 (共20小题，每小题1.5分,满分30分) 阅读下面短文。从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 A marine biologist placed a shark into a large tank and then released several small bait fish into the tank. The result met your 　1　, the shark quickly swam across the tank, attacked and ate the smaller fish. The biologist then 　2　 a strong piece of fiberglass(纤维玻璃) into the tank, creating two 　3　 parts. She then put the shark on one side of the 　4　 fiberglass and a new set of bait fish on the other. 　5　, the shark quickly attacked. But this time, the shark 　6　 into the fiberglass 　7　. Determined, the shark kept 　8　 this behavior every few minutes, but 　9　. Meanwhile, the bait fish swam around　10　in the second part. Eventually, the shark 　11　 hope of hunting. This experiment was carried out several times. Each time, the shark got less 　12　 and made fewer attempts to attack the fish, until it 　13　 hitting the fiberglass and simply stopped atta