简答题In this section, you will have 10 sentences. Read the four choices after each sentence and choose the right answer to complete the sentence.That dress made of _____ is suitable for the hot weather here. A、plastic B、wool C、fabric D、cotton多选题Watch for details. Check your answers to Before You Watch.Only ( ______ ) of Earth’s water is fresh, and most of that is snow or ice. So we have only ( ______ ) in rivers and lakes to use for drinking, washing, and other things. You need ( ______ ) liters of water to make one cotton T-shirt. With that much water, a person can drink for ( ______ ) days. You can use about ( ______ ) liters of water to wash your clothes. 空1选项：1、3%2、15%空2选项：1、1%2、5%空3选项：1、2702、2,700空4选项：1、902、900空5选项：1、1502、1,500简答题In this section, you will have 10 sentences. Read the four choices after each sentence and choose the right answer to complete the sentence.You can see many _____ animals in Africa. A、amazed B、amazing C、amaze D、amazement简答题Watch the video again. Answer the following questions.Where does water go when it evaporates? ______ What do we use fresh water for? ______ What is one of our most urgent challenges? ______简答题To get … Water needed a kilogram of chocolate ______ a kilogram of beef ______ a kilogram of rice ______ a hamburger ______ an apple ______ a slice of bread ______ This article uses both gallon and liter as a unit of measurement for water. You will likely be most familiar with liter, as most of the world uses this unit of measurement for liquids. In the U.S. and the U.K., however, gallon is still commonly used. However, the size of one gallon differs in these two countries. In the U.K., the imperial gallon is about 4.5 liters. The U.S. gallon is about 3.8 liters. When gallon is used in this unit, it refers to the U.S. gallon.简答题What do you remember? Complete the information below using the words in the box.Water (as ______ or snow) falls from the ______ in the sky. The water goes into the ______ , and in time, returns to the ______ . Because of this ______ , water is always moving from place to place on Earth. In time, water in the Ganges River in India can be the rain or ______ water in your city.简答题In this section, you will have 10 sentences. Read the four choices after each sentence and choose the right answer to complete the sentence.This is why we must be _____ about our mission. A、interested B、worry C、urgent D、pleasant简答题In this section, you will hear one long conversation. At the end of the conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).A、Agriculture. B、Industry. C、Commerce. D、Trade.简答题In this section, you will have 10 sentences. Read the four choices after each sentence and choose the right answer to complete the sentence.There are eight _____ in our solar system. A、stars B、planets C、earths D、moons简答题In this section, you will have 10 sentences. Read the four choices after each sentence and choose the right answer to complete the sentence.Human beings have so much _____ and inefficient consumption of natural resources. A、sufficient B、efficient C、wasteful D、useful简答题Decide whether the following statements are true (T) or false (F). There are more unhealthy chemicals in tap water. Most bottled water is the same as tap water.简答题In this section, you will hear one long conversation. At the end of the conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).A、Water problems. B、Air pollution. C、Environment issues. D、Pollution.多选题There are often ( ______ ) unhealthy chemicals in bottled water than in tap water. These chemicals come from the ______ in the bottles. Most bottled water is ( ______ ) tap water. Both tap and bottled water come from rivers and ______ . Bottled water is ( ______ ) expensive than tap water. It costs almost ______ times more. Putting water in bottles ( ______ ) a lot of water. Water is used to ______ the bottles. ( ______ ) percent of plastic bottles go into the trash. This is very ______ for our planet. 空1选项：1、fewer2、more空3选项：1、cleaner than2、the same as空5选项：1、more2、less空7选项：1、saves2、wastes空9选项：1、182、80简答题In this section, you will hear one passage. At the end of the passage, you will hear four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).A、Safe drinking water. B、Safe water. C、Reservoirs and lakes. D、Water storage containers.