面部“危险三角区”的危险性为()
A.容易引起眼球感染
B.抗菌药物无效
C.侵入上颌窦
D.引起海绵状静脉窦炎
E.容易形成痈
参考答案:D
― Is Kate in, please? I want to ______ her.
― Sorry, she is out. You'd better ______ her later. [ ]
A. see; find
B. speak to; call
C. visit; ring up
D. talk to; look for
关于公路建设的叙述,正确的是[ ]
A、道路应避开沼泽地
B、道路应避开小居民点和小村庄
C、山谷中的道路应避开缓坡
D、道路在陡坡上呈“之”字形弯曲