After a promising start, the company ___ trouble.
A、ran down
B、ran into
C、come into
D、come across
A、ran down
B、ran into
C、come into
D、come across
A. Promising laboratory test results still need to be confirmed by clinical studies before clinical recommendation could be given
B.Clinical trials with resin-bonded restorations that had no or only limited mechanical retention and were made from alumina or zirconia ceramic were identified using an electronic search in PubMed database.
C.Most original laboratory research reports on bonding to zirconia ceramics start in their introduction with a statement pointing more or less out that achieving a reliable and predictable bond to this ceramic would be a major problem in dentistry
D.No clinical trials with alumina ceramic IRFDFs or with RBFDPs made from densely sintered alumina ceramic were foun
1.The reason why young people should be discouraged from becoming actors is that ____.
A、actors are very determined people
B、the course at the drama school lasts two years
C、acting is very hard work
D、there are already too many actors
2.Why is an assistant stage manager's job difficult?____
A、Because he has to do everything.
B、Because he has to work long hours every day.
C、Because he will not be happy.
D、Because he has to wait for another chance.
3.Usually only students who ____are accepted.
A、have received good education
B、are hard-working
C、are talented and promising
D、are good-mannered
4."Then she got angry and said she would call the police". This sentence shows that ____.
A、She totally disbelieved the proposal
B、The man acted with an ill purpose
C、The man forced her into his big car
D、She was a nervous woman
5.The phrase "once in a blue moon" refers to ____.
A、once in a full moon
B、once for a while
C、once for a long time
D、once and for all
A.This article will not attempt to replicate the above mentioned reviews but will summarize published clinical trials on bonded oxide ceramic restorations and correlate their results with that of laboratory bond strength testing using the same bonding methods as in the clinical trials.
B.The authors of this systematic review concluded, that promising laboratory test results still need to be confirmed by clinical studies before clinical recommendation could be given.
C.Clinical trials with resin-bonded restorations that had no or only limited mechanical retention and were made from alumina or zirconia ceramic were identified using an electronic search in PubMed database.
D.The purpose of this review is to present the best available clinical evidence for successful bonding of dental oxide ceramic restorations.
交易所股票交易实行价格涨跌幅限制,其中ST和*ST股票价格涨跌幅比例为()。
A.0.03
B.0.05
C.0.08
D.0.1
A.STSTST*
B.STST
C.ST*
D.***