最近、放火が多いので()人物を見かけたら警察に連絡してください。
A.不審な
B.不振な
C.不明な
D.不良な
参考答案:A
不属于尿蛋白定性方法的是()
A.磺基水杨酸-硫酸钠比浊法
B.试带法
C.加热乙酸法
D.磺基水杨酸法
E.邻甲苯胺法
By using MP3,a 600M-byte music CD can be (71) to 50M bytes or less.It can be streamed(downloaded in chunks)so that you can begin listening to the opening bars while the (72) ofthe life arrives in the background。And most important,MP3 music files retain good listening (73) that (74) compression schemes lacked.That (75) of features makes accessing anddistributing music on the Web practical for the first time.
A.earlier
B.front
C.later
D.backward