When Clark lifts the desk with Lois on it, it shows a shot of Clark holding his arm up above his shoulder, but then it shows him holding the desk with Lois on it and his arm is held out below his shoulder.
When Davis sees Lois' article about Clark, the second column contains a grammatical error; in the description of his upbringing with Jonathan and Martha, the possessive "Kent's" should be the plural "Kents".