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【单选题】
球磨机粉碎药物时，筒内装药量一般占筒内容积的A.
30％～50％
B.
70％～75％
C.
75％～80％
D.
70％～80％
E.
75％～85％
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举一反三
【单选题】―Are you disappointed with the result of the experiment? ―No. ______, I’m pleased with it.
A.
On the contrary
B.
As a result
C.
What’s more
D.
On the one hand
【单选题】May I introduce myself? I’m Steward.— ().
A.
Pleased to meet you
B.
What a pleasure
C.
I don’t know
D.
Thanks a lot
【单选题】I'm very _____ with what _____ at the meeting. [ ]
A.
pleased; he said
B.
pleased; will he say
C.
pleasant; he will say
D.
pleasant; he spoke
【简答题】Goodbye，Mr．Smith．I’m very pleased＿＿＿．
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