给试管内液体加热时,液体体积不超过试管容积的 ______.
给试管内液体加热时,所装液体体积不能超过试管容积的 13.
故答案为:13
_____ you the truth, no one will trust you if you will not get rid of the bad habit-lying. [ ]
A. To tell
B. Tell
C. Telling
D. Told
()分为乔木类、灌木类,藤本类。
A、植物造景
B、花卉
C、园林树木