【单选题】They own two cars, not to ___ a motorbike.
【单选题】People’s status in society is frequently ______ by how much they own.
【单选题】从小鼠的一种有夹膜的致病性肺炎球菌中提取出的 DNA ,可使另一种无荚膜、不具有致病性的肺炎球菌转变为有夹膜并具有致病性的肺炎球菌,而蛋白质、 RNA 无此作用,由此可以证明 ( )。
D.
RNA是遗传物质,DNA和蛋白质是遗传信息的体现者
【多选题】干热灭菌时注意( )。
A.
灭菌结束后,应待烤箱温度降至40℃以下再打开烤箱,以防灭菌器具炸裂。
B.
物品包装不宜过大,物品之间应留有空隙,有利于热空气流通。
C.
塑料制品、橡胶制品、导热差的物品及其他在高温下易损坏的物品,不可用干烤灭菌。
【单选题】What should people do if they own a Swiss driving license and want to rent a car in Japan?
A.
They should have their Swiss driving license translated into English.
B.
They should have their home country’s driving license translated into Japanese.
C.
They should have their home country’s driving license translated into French.
D.
They should get a new driving license in Japan.