单项选择题
A.The efficiency increases B.The efficiency decreases C.The efficiency remains the same D.The efficiency cannot be determined.
What form of ice is of land origin?（）A.ShugaB.FloeC.Spi...
单项选择题What form of ice is of land origin?（）
A.Shuga B.Floe C.Spicule D.Bergy bit
What does the term TO NAVIGATE WITH CAUTION mean?（）.A.T...
单项选择题What does the term TO NAVIGATE WITH CAUTION mean?（）.
A.To navigate intentionally B.To navigate intensely C.To navigate carefully D.To navigate completely
What are symptom(s) of a ruptured appendix?（）A.Dilated ...
单项选择题What are symptom(s) of a ruptured appendix?（）
A.Dilated pupils and shallow breathing B.Diarrhea and frequent urination C.Muscle tenseness in almost the entire abdomen D.Extreme sweating and reddening skin
