芒果果实为浆果型核果,果实发育呈()形,从幼果至成熟,需(),早中熟(),晚熟120-150天。
参考答案:“S”;90~150d;85-120天
读一读,判断正误。正确的写“T”,错误的写“F”。
I'm Yingying. Today is my birthday. I'm ten years old now. Dad and mom give me birthday gifts: a doll and
a plane. My friend, Yangyang gives me a red balloon. And we eat a big cake at dinner. I like to eat hamburgers
and chicken, too. I'm happy and we are all happy.
( ) 1. Today is Yangyang's birthday.
( ) 2. Yingying is 10.
( ) 3. Dad and mom give her a red balloon.
( ) 4. Yingying likes to eat hot dogs.
( ) 5. They are happy today.
患儿,男性,5岁。诊断:支原体肺炎,先后给予青霉素、阿莫西林、阿奇霉素等抗菌药治疗。
对淋球菌有高度抗菌活性的是()
A.土霉素
B.米诺环素
C.大观霉素
D.庆大霉素
E.氯霉素