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【简答题】
地质学家把地球的发展历史划分为若干地质年代，主要包括 、 、 、 和 等，每划分若干 。
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举一反三
【判断题】Vowel sounds can be differentiated by a number of factors: the position of tongue in the mouth, the openness of the mouth, the shape of the lips, and the length of the vowels.
A.
正确
B.
错误
【单选题】can be differentiated by a number of factors: the position of tongue in the mouth, the openness of the mouth, the shape of the lips, and the length of the vowels.
A.
Vowel sounds
B.
Consonant sounds
C.
Voicing sounds
D.
Devoicing sounds
【简答题】上海某贸易公司以CFR价出口一批货物到日本神户，数量为10公吨，货物的价值(成本)为USD200/公吨。国外买方要求卖方代为办理保险，加成10%，将CFR价变更为CIF价，但未说明投保何种险别。卖方向中国人民财产保险公司投保了平安险 (F．P．A．)，保险费率为0.2%。请计算：(1)该批货物的运费总额。(2)该批货物的CFR价总额。(3)该批货物的CIF价总额。(4)该批货物的保险金额。(5)该...
【单选题】The roof of the mouth, or the upper surface inside the mouth, is called
A.
the ridge
B.
the tract
C.
the palate
【判断题】Vowel sounds can be differentiated by a number of factors: the position of tongue in the mouth, the openness of the mouth, the shape of the lips, and the length of the vowels.
A.
正确
B.
错误
【简答题】该批货物运费总额为
【单选题】The first paragraph mentions three ways of activating the saliva in the mouth.
A.
Right
B.
Wrong
C.
Not mentioned
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