// JavaScript Document

var data = {
    "_rubric": "<b>Fill in the blanks.</b>",
    "_title": "<b>Complements</b>",
    "_optionArr": [
        [],
        [],
        []
    ],
    "_quesArr": [
        [
            {
                "ques": "1. Earth is surrounded by a thin layer of air called the ________.",
                "ans": [
                    [
                        "atmosphere"
                    ]
                ]
            },
            {
                "ques": "2. The __________________ is also known as the &#x2018;Blue Planet&#x2019;.",
                "ans": [
                    [
                        "Earth"
                    ]
                ]
            },
            {
                "ques": "3. The __________ is a model used to study the Earth.",
                "ans": [
                    [
                        "globe"
                    ]
                ]
            },
            {
                "ques": "4. A __________ is a drawing of the Earth or a part of it.",
                "ans": [
                    [
                        "map"
                    ]
                ]
            },
            {
                "ques": "5. A book of maps is called an __________.",
                "ans": [
                    [
                        "atlas"
                    ]
                ]
            }
        ]
    ],
    "type": "Typing All Once",
    "intro": "a"
};