急性苯中毒主要表现为A．肾功能衰竭 B．中毒性肺炎 C．中毒性_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

急性苯中毒主要表现为

A．肾功能衰竭

B．中毒性肺炎

C．中毒性肝损伤

D．中枢神经系统损害症状

E．全血细胞减少

答案

参考答案：D

完形填空

完形填空。

A: Hello. Li Tao! What's that   1 English?
B:   2   is a banana.
A:   3 that? Is   4   a banana,   5 ?
B: No, it   6 . It's   7 apple.
A: Is it 8   apple?
B:  9 , it isn't. It's not  10 apple.

( )1. A. at
( )2. A. That
(     )3. A. What
( )4. A. it
( )5. A. too
(     )6. A. is
(     )7. A. a
(     )8. A. a
(     )9. A. Yes
( )10. A. an

B. to
B. It's
B. Who's
B. It
B. Li Tao
B. isn't
B. the
B. an
B. Oh
B. /

C. in
C. it
C. What's
C. it's
C. to
C. it
C. an
C. /
C. No
C. my

D. for
D. It
D. Who
D. It's
D. two
D. itn't
D. /
D. your
D. /
D. your

单项选择题

在网络上，只有使用用户名和口令才能访问网络资源，不同级别的访问权限，因用户有所不同。这种网络安全级别是

A．共享级完全

B．部分访问安全

C．用户级安全

D．E1级安全