What is said about the over 100 aircraft incidents in the past 15 years?
A.They may have been caused by the damage to the radio systems.
B.They may have taken place during take-off and landing.
C.They were proved to have been caused by the passengers' portable computers.
D.They were suspected to have resulted from electromagnetic interference.
第1题
A.革兰阴性小杆菌
B.无鞭毛,无芽胞,不活动
C.有荚膜,厌氧,需要特殊培养基培养
D.菌体含内毒素
E.该菌对外界抵抗力强,对干燥、热和一般消毒剂不敏感
第2题
淋病奈瑟菌的特征是
A、无芽胞,有鞭毛,无荚膜
B、无芽胞,无鞭毛,有荚膜
C、有芽胞,无鞭毛,有荚膜
D、有芽胞,有鞭毛,有荚膜
E、有芽胞,有鞭毛,无荚膜
第3题
A. 革兰阴性小杆菌
B. B.无鞭毛,无芽胞,不活动
C. C.有荚膜,厌氧,需要特殊培养基培养
D. D.菌体含内毒素
E. E.该菌对外界抵抗力强,对干燥、热和一般消毒剂不敏感
第6题
A.革兰阳性,有芽胞,无荚膜,有鞭毛
B.革兰阴性,无芽胞,无荚膜,有鞭毛
C.革兰阴性,无芽胞,有荚膜,无鞭毛
D.革兰阴性,有芽胞,无荚膜,有鞭毛
E.革兰阳性,有芽胞,无荚膜,无鞭毛
第7题
肺炎链球菌的特征包括
A、无鞭毛,无芽胞,无荚膜
B、无鞭毛,有芽胞,有荚膜
C、无鞭毛,无芽胞,有荚膜
D、有鞭毛,有芽胞,无荚膜
E、有鞭毛,无芽胞,无荚膜
第8题
A.无芽胞,无荚膜,无鞭毛,革兰阳性短小杆菌
B.无芽胞,无荚膜,无鞭毛,革兰阴性短小杆菌
C.无芽胞,有荚膜,无鞭毛,革兰阳性短小杆菌
D.无芽胞,无荚膜,有鞭毛,革兰阳性短小杆菌
E.有芽胞,有荚膜,有鞭毛,革兰阳性短小杆菌
第9题
对破伤风杆菌生物学特点叙述正确的是
A.芽胞小于菌体
B.有荚膜
C.无鞭毛
D.有周身鞭毛
E.有鞭毛
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