You could also just add a "GO" after the ALTER TABLE; that will put the SELECTs in a separate batch, by which table SQL should "know" they already exist, having been created by a previous batch.
SQL DBA,SQL Server MVP(07, 08, 09) Prosecutor James Blackburn, in closing argument in the Fatal Vision murders trial:
If in the future, you should cry a tear, cry one for them [the murder victims]. If in the future, you should say a prayer, say one for them. And if in the future, you should light a candle, light one for them.