Example sentences of "about one [prep] " in BNC.

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1 A good secretary in real life has an error rate of about one per page .
2 Systemic complications occur in between 1 and 2 per cent of cases of gonorrhoea and are less common in men than in women in a ratio of about one to four .
3 The ratio of service staff to passengers was frequently about one to three , and that did not include seamen .
4 Frog eggs are about one to two millimetres in diameter and , like the chick , have enough yolk to enable them to grow to a stage when they can feed themselves .
5 The typical known user had been smoking heroin daily for about one to three years , having started the habit around the age of 16–18 , and was using 0.25–0.5 gram of heroin per day ( costing between 20 and 35 ) at the time of agency contact .
6 Only I 've , somebody asked me about one with erm S C B , B grade one or whatever
7 have they got the , the other pies that we have , this is it how about one with ham in it ?
8 ‘ How about one for the happy couple ? ’ she suggested .
9 Actually , considering there are less than 100 Britons in China , about one for every 10,000,000 Chinese , we 've done pretty well for meeting compatriots .
10 Since previously only about one in three advertised charter trains actually ran ( there were indeed up to a hundred independent rail tour operators ) , the new regime immediately brought a crop of casualties , including in 1985 the Rail Tour Operators Association , the very organisation which had been established at Ward 's insistence to negotiate train hire on behalf of all independents .
11 Either they do not want to run the risk of miscarriage ( about one in 100-200 ) which the procedure entails ; or they would not want a termination even if the baby was found to be disabled .
12 Yet it 's estimated that about one in five of us is affected .
13 To look out on the night sky with modern eyes is like looking about one in a trackless forest — trees forever and no horizon .
14 About one in 10 health districts have hospitals on ‘ red alert ’ — admitting emergencies only .
15 ABOUT one in every four of Romania 's 23 million population is thought to be a member of the security service , the Securitate .
16 To alleviate the symptoms , about one in five diabetics in rich countries injects himself regularly with insulin .
17 Not all of them : a black middle class has mushroomed , from about one in ten blacks in 1960 to more than a third today .
18 For the most common form of Down 's , accounting for 94% of all cases , the recurrence rate is about one in 100 , similar to the chances of a Down 's birth among women aged over 38 .
19 Should one affected child be born , the recurrence rate can again be high ; children born with a neural tube malformation ( including anencephalus and spina bifida ) can be detected by screening and the recurrence rate is about one in 20 .
20 About one in 500 of the population seems to have an inherited fault ( ie , it runs in the family ) in this control mechanism .
21 About one in five of all trips are made for business purposes and the business travel industry is growing at twice the speed of tourism .
22 About one in the morning we went to our cellar to try to sleep a little .
23 For December 14th 1804 he writes : ‘ finished the three drawings for Mr. Knowlys — Mrs. Green delivered of a dead daughter the child full grown ’ , and on January 23rd 1808 he wrote tersely ‘ My wife was delivered about one in the day of a daughter . ’
24 About one in every 350 American children suffer the disease , which appears to run in families .
25 ( It must also be said that only about one in ten of the adult population in Britain in teetotal and it could be that at least some people in this group are unwell , rather than the other way round . )
26 Only about one in ten secondary school children try sniffing , and most of these will only experiment ; they wo n't sniff for very long .
27 About one in four reckon they 're good for ten minutes , though just under one in five admit to ejaculating in less than two minutes .
28 About one in three adults can do this the first time they try it .
29 Whenever I go into his kennel it 's a toss-up whether he escapes or not ; he wins about one in fifteen times .
30 At present , about one in five children is in full-time higher education and this number is expected to double over the next 25 years .
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