[单项选择]Since the training course, over 30 employees have exceeded their quotas, ______ previously only around 20 had done so.
A. despite
B. whereas
C. unless
D. because

[单项选择]Since we have no time left, starting over is ________.
A. beyond doubt
B. beyond question
C. without doubt
D. out of the question

[单项选择]She decided to take a second course since she ______the first one.
A. has completed
B. is completing
C. had completed
D. will complete

[单项选择]

Passage Four
Ever since humans have live on the earth, they have made use of various forms of communication. Generally, this expression of thoughts and feelings has been in the form of oral speech. When there is a language barrier, communication is accomplished through sign language in which motions stand for letters, words, and ideas. Tourists and the people unable to hear or speak have had to resort to this form of expression. Many of these symbols of whole words are very vivid and exact and can be used internationally; spelling, however, cannot.
Body language transmits ideas or thoughts by certain actions, either intentionally or unintentionally. A wink can be a way of indicating that the part is only joking. A nod signifies approval I while shaking the head indicates a negative reaction.
Other forms of nonlinguistic language can be found in Braille ( a system of raised dots read with the fingertips), signal flags, Morse code, and smoke signals,
A. spelling
B. ideas
C. whole words
D. expressions

[单项选择]We have to hurry up since we have no ______ time to finish it.
A. sufficient
B. additional
C. efficient
D. consequent

[单项选择]Since I have promised him not to tell anybody about this incident, I ______ say it.

[单项选择]Since you have failed three of the last four tests, you cannot afford to be ______ about passing for the term.
A. courteous
B. relevant
C. optimistic
D. passive