This one.
"No change came over the old face. As though vast calculations were going through her head, she watched all the pattern shifts."
The status of the scientist is that she watches the patterns shift.
Answer:
The author has tried to communicate that good personal transactions cannot be teach to someone. A person can only learn how he has to manage his personal transactions. This could be by experience and observing others. A person may create personal transactions in a non fiction way by writing it from heart. The readers does not accept the content if its fake or overly fictitious.
Explanation:
The author of this article has advised people to write everything by heart and do not go for overly fictitious writing. If one tries to learn personal transactions he may result with good ends but this cannot be teach. A person can learn thing by his deeds and experience in certain situations.
Answer: yes it is because it makes sense
The answers are
1._C.<span>The Chicago tribune published an article about President Obama.
</span>2._C.Does your University offer Chinese language classes?
3._A.<span>One of Mary Cassatt's paintings is Little Girl in a Blue Armchair.
4._</span>C.<span>Leo</span>
You are correct, it is interrogative. -Hope this helps