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【单选题】
预增大混凝土拌合物的流动性,下列措施最有效的是 _________ 。A.
适当增加砂率
B.
加水泥浆
C.
加大水泥用量
D.
加减水剂
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反馈参考答案：
举一反三
【单选题】我国有着丰富的茶文化,品茶不仅有益身心健康,还能怡情养性。不同产地的茶风味迥异,下列名茶中产自安徽的是( )。 A . 碧螺春 B . 龙井茶 C . 铁观音 D . 六安瓜片
A.
碧螺春
B.
龙井茶
C.
铁观音
D.
刘安瓜片
【单选题】—__________? —He's a farmer. [ ]
A.
What is your father doing
B.
What does your father do
C.
Where is your father
D.
Who is your father
【简答题】英汉互译。 1. 去滑冰 ____________________ 2. 看猴子 ____________________ 3. row a boat ____________________ 4. 去滑雪 ____________________
【单选题】________ you row a boat at the age of 10? No, but now I ________.
A.
Can；can
B.
Can；could
C.
Could ；can
D.
Could；could
【简答题】连词成句: row, to, want, We, a, boat (.)
【单选题】When they returned to the river, they found that the boat had _______ away.
A.
framed
B.
frosted
C.
frowned
D.
floated
【单选题】— ? — He is tall and strong.A．What does your father likeB．What is your father likeC．What would y
A.
— ____? — He is tall and strong. A．What does your father like
B.
What is your father like
C.
What would your father like
D.
How does your father like
【单选题】- Can you go to row a boat with us this afternoon? - I'm afraid not. I_______ look after my little sister because my mother is out.
A.
can
B.
may
C.
would
D.
have to
【简答题】完成教材P111的T16。并增加一问:若采用调速方式,试确定转速应调为多少。
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