1. scientific achievements of Albert Einstein................. those of almost every other scientist in history

A. outshine           B. emit           C. astound          D. deem

2. scientist have to control many............. in order to conduct an accurate experiment

A.cramps            B. variables           C. adages               D. membranes

3. unless the government enacts laws limiting cars and factories pollution will continue to have ..................effects on the environments

A. detrimental          B. pecuniary            C. fundamental               D. sufficient

4. new mineral resources may be discovered during the forthcoming Antarctic..............

A. expedition             B. excursion                      C.voyage                 D. migration