A.impressive
B.aggressive
C.ref1ective
第1题:
______school is much larger than ______.
A.Our;your
B.Our;yours
C.Ours;yours
D.We;you
第2题:
A. Every 5 minutes
B. Every 90 seconds
C. Every 60 seconds
D. Every 30 seconds
第3题:
Each life jacket light that has a non-replaceable power source must be replaced ______.
A.every 6 months after initial installation
B.every 12 months after initial installation
C.every 24 months after initial installation
D.on or before the expiration date of the power source
第4题:
【C5】
A.caught
B.held
C.took
D.picked
第5题:
30_______.
A.prepared
B.took
C.caught
D.picked
第6题: