Unit 9 Human Biology单元检测卷（B卷） 2023-2024学年高二英语北师大版（2019）选择性必修第三册

Unit 9 Human Biology—2023-2024学年高二英语北师大版（2019）选择性必修第三册单元检测卷（B卷） 一、填空题（共10小题；每小题4分，满分40分） 1.It is the third time that he______ (visit) our beautiful city Harbin. 2.Genetic _____ (vary) make it harder to protect against the new virus. 3.I deal with customers on the phone and _____(rare) meet them face-to-face. 4.Rather than feeling excited by this drive through the mountains, I found it _____(depress). 5.The effects of _____ (globe) warming, while not immediate, are potentially catastrophic. 6.Doing garbage _____ (classify) in a right way can turn waste into wealth, which will benefit us a lot. 7.A large number of supplies______ (send) to the countries struck by the earthquake so far. 8.Humour has unique power. It brings people together. It reduces the pain______ (connect) with life's difficulties. 9.In the last few years, China______ (make) great achievements in environmental protection. 10.A medical team______ (consist) of five doctors and two nurses set off for the earthquake-stricken area. 二、阅读理解（共4小题；每小题5分，满分20分） If you've ever felt "butterflies in your stomach" when nervous, you're likely getting signals from an unexpected source: your "second" brain. Hidden in the walls of the digestive system, this "brain in your gut (肠道)" is revolutionising medicine's understanding of the links between digestion, mood and health. Scientists call this little brain the enteric nervous system (ENS,肠神经系统). The ENS is two thin layers of more than 100 million nerve cells lining your gut. Unlike the big brain in your head, the ENS can't calculate or compose a love note. "Its main role is controlling digestion," explains Jay Pasricha, MD, director of the Johns Hopkins Center for Neurogastroenterology. "The enteric nervous system doesn't seem capable of thought as we know it, but it communicates back and forth with our big brain. For decades, researchers and doctors thought that anxiety and depression contributed to gut problems. But our research shows that it may also be th