患者,女,缺失上设计正型卡环,其卡环臂末端进入基牙倒凹的长度为全臂长的()
A.1/5
B.1/4
C.1/3
D.1/2
E.2/5
参考答案:C
Questions 41-45 · Read the memo and notes below. · Complete the form below. · Write a word, phrase (in CAPPITAL LETTERS) or number on lines 41-45 on your Answer Sheet.MEMO TO: Shirley Tang From: Sue Hill Here are some notes I have taken concerning a training course which the company wishes to organize. I should be grateful if you could transfer the details to the appropriate form. Advanced Training Course, 27-30 April, to be held at Head Office. Aspects/Problems/Issues of Product Development precise title to be announced later but general subject title OK for now. Already 21 staff have indicated wish to attend, but this number is too large. So the total number must be cut down by 9. Conference Room will be too big, but Board Room should be ideal.TRAINING COURSE Commencement Date: (41) ______ Duration:(42) ______ Location. Building: Head Office Room:(43) ______ Maximum Number of Participants: (44) ______ Subject: (45) ______
监测水温的测具应放置在地下水水面以下()处,或放置在泉水、正在开采的生产井出水水流中心处,静置5min后读数。
A、0.2m
B、0.5m
C、1.0m
D、2.0m