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A．make the mix unstable
B．1engthen the gelation time
C．not affect gelation time
D．shorten the gelation time
答案
更多“Dr Wang requested that you mix alginate and take an impression．While measuring the water，y”相关的问题
第1题
A.requested
B.asked
C.required
D.solicited
第2题
A.assemble
B.gather
C.crowd
D.accumulate
第3题
A.scheduled
B.published
C.requested
D.conducted
第4题
Mr. Wang () his wife and children when he went to the United States.
A.prescribed
B.delayed
C.decreased
D.deserted
第5题
B.the Duchess stopped smiling at her husbands order
C.the Duchess died of laughing too much
D.the Duchess did not want to smile as much as her husband requested
第7题
己知文法G[S]:S-＞eT|RT，T-＞DR|ε，R-＞dR|ε，D-＞a|bd。FIRST(S)=()。
A.{d，ε}
B.{a，b，d，e，ε}
C.{a，b}
D.{a，b，#}
E.{a，b，ε}
F.{#}
第8题
A.错误
B.正确
第11题
A.got on
B.put on
C.went on
D.turned on
