根据下面资料，回答Reading aloud and silent reading are two different types of reading practice. Each has a function in the teaching of reading and should not be 16 by the other. However, we need to be aware when we should use them. When we 17 teaching reading or developing reading skills, we are mostly referring to silent reading. To develop 18 readers in a foreign language, silent reading activities must be given enough 19 and time in class with the proper guidance from the 20 . Reading aloud also has its particular 21 for our students who are learning English as a foreign language. 22 can help them acquire good pronunciation and intonation, 23 them with new words and the stress patterns of English, help 24 their eontidenee in speaking the language. Therefore, opportunities should be 25 for students to read aloud only after they have comprehended the text 26 before comprehension can be very 27 and it can easily destroy their self-confidence. With 28 reading, it sets up a poor reading model for other students as well. It is 29 that we first help students learn the text through 30 reading activities and then with comprehension we give our students practice by using an audio tape to 31 a good model for practicing reading aloud. With adequate 32 , we may ask the students to read aloud to the whole class to 33 their motivation and confidence. By asking the students to read aloud, it is also a good chance for the teacher to get 34 on the students′ comprehension as we can notice 35 there are wrong pauses or mispronounced words which indicate possible difficulties or misunderstanding of the text. 第（35）题选
选项：

A:where
B:why
C:how
D:whether