1)c
2)1-d,2-b,3-a
3)1-F,2-T,3-F,4-T,5-F,6-T
4)1-often 40,000-45,000,2-Queen bee,3-for four to six months,4-about 2 kilometres a day,but sometimes up to 14,5-in North America and in some European and Central Asia countries.6-People don't know,maybe pollution.
1)c
2)1-d,2-b,3-a
3)1-F,2-T,3-F,4-T,5-F,6-T
4)1-often 40,000-45,000,2-Queen bee,3-for four to six months,4-about 2 kilometres a day,but sometimes up to 14,5-in North America and in some European and Central Asia countries.6-People don't know,maybe pollution.