Cricket-Burns falls but Australia 105-1 at lunch

By David Gray PERTH, Nov 13 (Reuters) - New Zealand finally separated Australia's openers just before lunch but the hosts still reached the break on a healthy 105 for one on a sweltering first day of the second test on Friday. Sent in to bat after skipper Steve Smith won the toss, David Warner and Joe Burns took on New Zealand's bowlers as they had in the first test, where two opening partnerships in excess of 150 runs were the foundation stones of a 208-run victory. Lefthander Warne