皮皮学，免费搜题
登录
搜题
【单选题】
The road ______ last year. [ ]A.
builds
B.
built
C.
was built
D.
is built
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】搅拌器的两个功能是什么？改善搅拌效果的工程措施有哪些（提高液流的湍动程度）？
【单选题】She is a _____ girl, and she does everything _____.
A.
careful, careful
B.
carefully, carefully
C.
careful, carefully
D.
carefully, careful
【简答题】If only she (know) ______ that her behavior was not welcome, she would have been more careful with her manners.
【简答题】多巴酚丁胺为选择性()受体激动药,临床上主要用于治疗()。
【单选题】以下程序运行时,输入1 4 4 后的结果是( ) #include "stdio.h" #include main() { float a,b,c,disc,x1,x2,p,q; printf(" 请输入a,b,c的值:"); scanf("%f %f%f",&a,&b,&c); disc=b*b-4*a*c; p=-b/(2*a); q=sqrt(disc)/(2*a);x1=p+q...
A.
x1=-2,x2=-2
B.
x1=-2.00,x2=-2.00
C.
x1=2,x2=2
D.
x1=2.00,x2=2.00
相关题目：