题目内容
（请给出正确答案）
A．make the mix unstable
B．1engthen the gelation time
C．not affect gelation time
D．shorten the gelation time
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更多“Dr Wang requested that you mix…”相关的问题
A.requested
B.asked
C.required
D.solicited
A.assemble
B.gather
C.crowd
D.accumulate
A.scheduled
B.published
C.requested
D.conducted
Mr. Wang () his wife and children when he went to the United States.
A.prescribed
B.delayed
C.decreased
D.deserted
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
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.{#}
A.错误
B.正确
A.got on
B.put on
C.went on
D.turned on
