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  2. B1 Preliminary - Wikipedia

    en.wikipedia.org/wiki/B1_Preliminary

    B1 Preliminary for Schools is one of the exams that make up Cambridge English Qualifications for schools. B1 Preliminary and B1 Preliminary for Schools both have the same exam format (e.g. number of papers, number of questions, time allowance), both support learners to develop real-life communication skills, and both versions lead to the same ...

  3. Cambridge English Scale - Wikipedia

    en.wikipedia.org/wiki/Cambridge_English_Scale

    The scales used for each test are linked to adjacent levels, meaning that standards can be compared and linked across levels and linked to CEFR thresholds. Test alignment is an ongoing process. Cambridge English Language Assessment has ongoing alignment studies to evaluate and validate the links between adjacent exams and ensure the integrity ...

  4. United Kingdom insolvency law - Wikipedia

    en.wikipedia.org/wiki/United_Kingdom_insolvency_law

    English law draws a distinction between a "debt", which is relevant for the cash flow test of insolvency under section 123(1)(e), and a "liability", which becomes relevant for the second "balance sheet" test of insolvency under section 123(2). A debt is a sum due, and its quantity is a monetary sum, easily ascertained by drawing up an account.

  5. List of accidents and incidents involving military aircraft ...

    en.wikipedia.org/wiki/List_of_accidents_and...

    Former Navy pilot, now a test pilot for Douglas Aircraft Company, James B. Verdin, 36, is killed this date when he bails out of A4D Skyhawk, BuNo 137815, at 30,000 feet (9,100 m) during a test flight near Victorville, California, and his parachute fails to open. Douglas company officials said that he radioed that he was bailing out shortly ...

  6. List of accidents and incidents involving military aircraft ...

    en.wikipedia.org/wiki/List_of_accidents_and...

    First of three prototypes of the Curtiss XP-55 Ascender, 42-78845, on test flight out of Lambert Field, St. Louis, Missouri, crashes when pilot is unable to recover from a stall, engine then quits, Curtiss test pilot J. Harvey Gray divorces airframe after 16,000-foot (4,900 m) plummet, landing safely, fighter impacts inverted in an open field.

  7. Kleihauer–Betke test - Wikipedia

    en.wikipedia.org/wiki/Kleihauer–Betke_test

    The KB test is the standard method of quantitating fetal–maternal hemorrhage (FMH). It takes advantage of the differential resistance of fetal hemoglobin to acid. A standard blood smear is prepared from the mother's blood and exposed to an acid bath. This removes adult hemoglobin, but not fetal hemoglobin, from the red blood cells.

  8. United Kingdom company law - Wikipedia

    en.wikipedia.org/wiki/United_Kingdom_company_law

    This preliminary legal question is followed by the substantive questions in section 263. The court must refuse permission for the claim if the alleged breach has already been validly authorised or ratified by disinterested shareholders, [ 171 ] or if it appears that allowing litigation would undermine the company's success by the criteria laid ...

  9. Genetically modified food controversies - Wikipedia

    en.wikipedia.org/wiki/Genetically_modified_food...

    The reasons included lack of a plausible hypothesis to test, lack of knowledge about the potential long-term effects of conventional foods, variability in the ways humans react to foods and that epidemiological studies were unlikely to differentiate modified from conventional foods, which come with their own suite of unhealthy characteristics.