【简答题】阅读理解。 根据短文内容,判断句子的正误.正确的在括号内写“T”,错误的写“F”。 If you go into the forests with friends, stay with them. If you don't,you may get lost. If you do get lost, this is what you should do. Sit down and stay wher...
【单选题】为了保证镗杆和刀体有足够的刚性,加工孔径在30〜120 mm范围内时,镗杆直径一般为孔径的( )较为合适。
【单选题】If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm, you should ______.
B.
go to your man overboard station
C.
go to your lifeboat station
D.
stand by for collision
【简答题】The faster way to travel in a city is by subway. In many big cities, there 1 usually more than one subway lines. How to travel by 2 ? Here is something to know 3 you travel by subway. First you should...
【简答题】[性状鉴别]呈卷筒状或双卷筒状,长30-35cm,厚0.2-0.7cm,外表面呈灰棕色或厌褐色,粗糙,有椭圆形皮孔及纵皱纹、刮去粗皮者显黄棕色。内表面紫棕色或深紫褐色,较平滑,具细密纵纹,则之显油痕,可见多数小亮星;质坚硬,不易折断,断面外层灰棕色,顺粒性、内层紫褐色或棕色,纤维性,油洞,有时可见发亮的结晶;气香,味辛辣、微苦。 [功能] 燥湿消痰,下气除满。
【单选题】颜色呈红色或鲜红色,颜色较为均匀,高度为70cm属于哪种珊瑚。()