单项选择题
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
We have no steel wire．You had better（）us one.A.borrowB....
单项选择题We have no steel wire．You had better（）us one.
A.borrow B.lend C.take D.let
Tripping defects in anchors frequently occur in（）.A.dee...
单项选择题Tripping defects in anchors frequently occur in（）.
A.deep water B.shallow water C.stiff soils D.soft soils
