A.Not until Lan had gone to the airport did she realize that she had forgot the passport.
B.Only after Lan realized that she had forgot the passport did she go to the airport.
C.Having realized that she had forgotten the passport, Lan went to the airport.
D.Had Lan realized that she had forgotten the passport, she would go to the airport.

A.A tool to assist in making complex decisions
B.Research on how people make decisions
C.A comparison of actual decisions and ideal decisions
D.Differences between long-range and short-range decision making

A.A tool to assist in making complex decisions
B.Research on how people make decisions
C.A comparison of actual decisions and ideal decisions
D.Differences between long-range and short-range decision making

A.Deciding which consequences are most important
B.Calculating a numerical summary of each solution
C.Listing the consequences of each solution
D.Writing down all possible solutions

A.describing a process
B.providing historical background
C.explaining a theory
D.classifying types of worksheets

A.satisfactory
B.suitable
C.perfect
D.creative

A.pencil and paper allow people to relax their minds when they make a decision
B.there is only one suitable solution to each problem
C.college students can use a worksheet to seek a job after graduation
D.human mental capacity has limitations

A.problem
B.decision
C.worksheet
D.distinction

A.risk
B.threat
C.danger
D.harm

A.Poli(metyl metacrylat) có tính đàn hồi.
B.Cao su buna-S được hình thành khi đồng trùng hợp buta-1,3- đien với lưu huỳnh.
C.Poliacrilonitrin thuộc loại tơ vinylic.
D.Tơ visco là polime tổng hợp.