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【单选题】
人体最坚硬的部分是A.
牙齿
B.
指甲
C.
颅骨
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The extinction of large prehistoric animals is noted to suggest that
A.
large animals were vulnerable to the changing environment.
B.
small species survived as large animals disappeared.
C.
large sea animals may face the same threat today.
D.
slow-growing fish outlive fast-growing ones.
【单选题】17世纪，意大利物理学家伽利略根据“伽利略斜面实验”指出：在水平面上运动的物体之所以会停下来，是因为受到摩擦阻力的缘故，你认为下列陈述正确的是（）
A.
该实验是一理想实验，是在思维中进行的，无真实的实验基础，故其结果是荒谬的
B.
该实验是以可靠的事实为基础，经过抽象思维，抓住主要因素，忽略次要因素，从而更深刻地反映自然规律
C.
该实验证实了亚里士多德“力是维持物体运动的原因”的结论
D.
该实验为牛顿第二定律的提出提供了有力的实验依据
【单选题】When Digory went towards the animals, what were these animals doing?
A.
They were sleeping.
B.
They were talking and making friends.
C.
They were eating food.
【判断题】开证申请书中对汇票要求:在 ” beneficiary's draft(s) for ”后规定填写信用证项下支付 发票金额的百分比;在 ” at____sight ”之间按国际贸易合同规定填写汇票的付款期 限如 “ ****** ”、” 30 days ”、” 60 days ”、” 90 days ”等;在” drawn on ”后填写汇票的 受票人(即付款人),按《 UCP600 》规定,信用...
A.
正确
B.
错误
【简答题】Many animals 31 (disappear) during the history of the earth. 32 (famous) of these animals were dinosaurs. They lived on the earth 33 (ten) of millions of years...
【单选题】He was familiar the animals.That means these animals were familiar him.A．to;withB．with;toC．to;toD
A.
He was familiar____ the animals.That means these animals were familiar ____him. A．to;with
B.
with;to
C.
to;to
D.
with;with
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