A、effective
B、beneficial
C、characteristic
D、formulaic
第1题:
A.Group1-Slots 0 & 1 Group 2 - Slot 2 Group 3- Slot 3 Group 4 - Slot 4
B.Group1-Slots 2 & 3Group 2- Slot 4 Group 3-Slot 5 Group 4 - Slot 6
C.Group1-Slot 2 Group 2- Slot 3 Group 3 - Slot 4 Group 4 - Slot 5 & 6
D.Group1-Slot 3 Group 2 - Slot 4 Group 3 -Slot 5 Group 4 - Slots 6 & 7
第2题:
第3题:
out of 13)__________ people.
第4题:
The " __________ " dose of radiation that we receive each year is about 100 millirems;
[A] conventional
[B] common
[C] general
[D] normal
The " __________ " dose of radiation that we receive each year is about 100 millirems;
第5题: