In modern society people have to pass various test for professional so that they can be qualified for a good job.
#5648
A
standards
B
perseverance
C
certificates
D
permission
推荐题目
--- What would you like, sir? --- ______.
#6824
A
Two cups coffee
B
Two cups of coffees
C
Two coffees
D
Two cup of coffees
The ________ doctors are carrying ________ boxes.
#6251
A
woman; paper
B
women; papers
C
woman; paper’s
D
women; paper
The tutor（导师）asked his students to leave a wide ________ when typing their essays.
#7063
A
border
B
column
C
surrounding
D
margin
The new discovery is of ________.
#5792
A
great significance
B
very significance
C
great significant
D
very importance
As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.
#6921
A
exposure
B
distribution
C
expansion
D
emission