【单选题】By referring to the artificial grammar, the author intends to show ______
A.
its significance in the study.
B.
an inherent pattern being learnt.
C.
its resemblance to the lights.
D.
the importance of night's sleep.
【单选题】If you don’t work hard, it will be of no________ for others to help you. [ ]
【单选题】It can be inferred from the first paragraph that ______.
A.
every glance has its significance
B.
staring at a person is an expression of interest
C.
a gaze longer than 3 seconds is unacceptable
D.
a glance conveys more meaning than words
【单选题】If you don’t work hard, it will be of no significance for others to help you.