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【单选题】
元音和辅音的区别是 _________________。 A.发元音时气流不受阻,发辅音时气流在口腔或者鼻腔受阻 B. 发元音时声带都振动,声音响亮;发辅音时声带不振动,声音不响亮。A.
A
B.
B
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【简答题】除维生素C外，某种水溶性维生素严重缺乏也可以造成缺铁性贫血。这种水溶性维生素是
【简答题】试述水溶性维生素有哪些特点。
【简答题】Jim, Kim , Tom and his friend are waiting for 2 breakfast, lunch , supper in a restaurant. They have been waiting for a long time since they ordered their meal. Kim is 3 angry , worried, sorry and com...
【单选题】Tom ordered _____ for the laboratory.
A.
three equipment
B.
three equipments
C.
three pieces of equipments
D.
three pieces of equipment
【简答题】听下面一段对话，回答第1-3题。 1. Why did Mary call Tom? A. To ask him to attend a meeting of the Student’s Union. B. To find out if the book they ordered is in. C. To see if he has time to welcome new students. 2....
【单选题】That's why you earn a lot of money, you still feel unhappy.
A.
if
B.
even though
C.
even so
D.
even if
【简答题】根据句子意思，用括号中所给单词的适当形式填空。 小题1:Tom is busy preparing for a party to celebrate his sister’s (twelve) birthday. 小题2:My cousin is made (study) with his new friends in USA. 小题3:—What’s your favorite fruit? —...
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