Chapter 1: Writing Formal Email1. Please correct these mistakes when writing formal email!

a. I am a doctor’s course studentb. She is a Ph.D student.c. I graduated from Diponegoro Univ.d. I am currently researching about fuel cells.e. He has a M.Eng. in the Department of Chemical Engineering.

2. What is the three or four paragraph structure that must be in a formal email?3. How to make a good politeness in a formal email?

Chapter 2: Sentence Structure1. What is the difference between a main clause and a subordinate clause? Please also give an

example!2. What are four types of informational sentence structures in English? Please also give an

example for each type!3. Please explain six types of phrase! 4. What the main idea of these sentence? Explain!

a. In contrast, data addressing specific backbone hydrogen bonding contributions to the thermodynamics and kinetics of protein folding are scarce because ordinary mutagenesis does not alter the backbone.

b. There are backbone amide replacements that can be incorporated into polypeptides using solid phase peptide synthesis approaches that perturb hydrogen bonding.

5. Is the following sentence correct? Explain!a. The method improves accuracy and requires a longer time to compute.b. I went home, so I watched the game on TV.c. I went home, and I watched the game on TV.d. I went home, but I watched the game on TV.

6. What is the meaning of this statement: “English information in sentences is generally organized in a given to new information pattern”?

7. Explain four ways for connecting ideas among sentences in a paragraph!8. What is transition signal between sentences?

Chapter 3: Paragraph Structure1. How is the basic structure of paragraph?2. Explain four methods for develop a paragraph!3. How to identify the level of generality for each sentence in a paragraph?4. Explain four types of transition signals between sentences or paragraphs!

Chapter 5: Using references in sciences and engineering1. Explain three ways to use sources from other papers!