Do you like lettuce ______ sandwiches? [ ]
A. of
B. in
C. at
D. with
答案:B
提速转向架加装交叉支撑装置有何作用?
人感染钩虫是由于
A.钩虫杆状蚴钻入皮肤
B.误食了钩虫卵
C.钩虫丝状蚴钻入皮肤
D.误食了感染性钩虫卵
E.误食钩虫成虫