钢丝绳应捻制均匀紧密和不松散,在展开和无负荷情况下,钢丝绳不得呈波浪状,绳内钢丝不得

题型:判断题

问题:

钢丝绳应捻制均匀紧密和不松散,在展开和无负荷情况下,钢丝绳不得呈波浪状,绳内钢丝不得有交错折弯严重磨损和断裂等缺陷,但允许有因变形工卡具压紧造成的钢丝压偏现象存在。

考点:起重机操作证考试初级起重工初级起重工题库
题型:判断题

用直流电压表测量NPN型晶体管电路,晶体管各极对地电压是Ub=4.7V,Ue=4V,Uc=4.3V,则该三极管处于()状态。

A、截止

B、饱和

C、放大

D、不一定

题型:判断题

依据麻醉药品定义,麻醉药品连续使用后能产生

A.身体依赖性和瘾癖

B.精神依赖性

C.耐受性

D.耐药性

E.毒性

题型:判断题

下列β受体阻断剂有内在拟交感活性的是()

A.普萘洛尔

B.噻吗洛尔

C.吲哚洛尔

D.阿替洛尔

E.美托洛尔

题型:判断题

属于假药的是()

A.发现有新的不良反应的药物

B.药物的外包装材料和容器没有经过批准

C.药品广告内容超出审查机关审查批准的内容的药物

D.药品所含成分与国家药品标准规定的成分不符

E.药物内包装材料和容器未经过批准

题型:判断题


SECTION A
In this section you will hear a mini-lecture. You will hear the lecture ONCE ONLY. While listening to the lecture, take notes on the important points. Your notes will not be marked, but you will need them to-complete a gap-filling task on ANSWER SHEET ONE after the mini-lecture. Use the blank paper for note-taking.
Now listen to the mini-lecture.


Ben Buchanan and A, Magic Book
The Texas teen is devouring the 672 pages of Harry Potter and the Half-Blood Prince written by J. K.
Rowling. When Buchanan got the first Harry Potter book in 1998, he was struggling with difficulty in reading.
But when his mom read the first chapter aloud to him, he was determined to conquer his first "real" book.
I. The success of Rowling’s books:
1) over (1)______ of Rowling’s books printed in U.S..(1) ______
2) kids’reading and (2)______ each title fervently. (2) ______
However, whether all of this hype of countdowns and midnight trips to book-
stores translates into a lifelong reading habit remains unclear.
II. Our society now needed a reading renaissance:
1) A study shows: adult (3)______ have dropped 10 percentage points. (3) ______
A. the loss of readers possiblly (4)______ to the booming world of technology;(4) ______
B. (5)______ offer experience that can’t be gained from these other sources. (5) ______
2) Thr facts reflect: fewer kids are reading for (6)______. (6) ______
A. This (7)______ retreat from books not taken a toll on reading ability. (7) ______
B. this indicates a poor future in reading ability development—the
very reason why many educators are hoping the Harry Potter
series can work some (8)______. (8) ______
III. The Harry Potter series has "broken the rules":
1) the book was as exciting as a video game;
2) 59 percent of U.K. kids think the books have (9)______ their reading skills; (9) ______
3) (10)______. say the books are the reason they read more. (10) ______
Part of the allure of The Harry Potter is the thrilling story, with well-developed characters and an avalanche of magical moments.

更多题库