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【简答题】
影响混凝土强度的主要因素有______、______、______，据此所建立的混凝土强度公式为______。
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皮皮学刷刷变学霸
举一反三
【单选题】Sally, if someone comes to see me this morning, ask him to a message.
A.
set
B.
work
C.
leave
D.
carry
【单选题】If someone comes to see me , please tell him to leave a _______ .
A.
message
B.
letter
C.
sentence
D.
notice
【简答题】Helen, if someone comes to see me this morning,ask him to ________ a message.A. carry B. work C. set D. leave
【单选题】Helen, if someone comes to see me this morning, ask him to ____ a message.
A.
carry
B.
work
C.
set
D.
leave
【单选题】If someone comes to see me, ask them to leave a _____.
A.
message
B.
letter
C.
sentence
D.
notice
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