For those college-bound American students, extracurricular activities may have more to do with building a resume and bolstering college applications.

The big challenges that our college students are bound to linguistic skills can be divided into three categories: the psychological barriers, the linguistic barriers, and the cultural barriers._______________

The majority of the CO2 is being transported as () A: CO2 bound to plasma proteins B: CO2 bound to hemoglobin C: Bicarbonate ions D: Dissolved E: CO2 bound to albumin

When only glucose is available to E. coli in the culture medium:  ( ) A: cAMP-CAP is bound to the promoter； B: cAMP-CAP is not bound to the promoter； C: The repressor is not bound to the operator； D: The lac operon is turn on 

Bound morphemes include ______ and affix. A: stem B: root C: bound root D: prefix and suffix

束缚水（bound water）

Prometheus Bound" was written by (      ).

"Prometheus Bound" was written by ( ).

A four-year college is often called a “_____ _____ college” or a “college of _____ and _____”.

Bound morphemes include _______ and affix.